After analyzing the Hydroponic Plant setup, consider what can be ELIMINATED from the list of candidates of where food molecules in plants are coming from.
Look at the Hydroponic Plant Food (HPF) nutritional value. What is the HPF supposed to do? What is it for?
Does HPF have food molecules in it?
So what does this mean?
Your complete answer should be 3-5 sentences. Use the guiding questions to develop your response!
Answers
The Hydroponic Plant Food (HPF) is a nutrient solution used to provide necessary minerals and elements to plants. HPF does not contain food molecules. Therefore, it can be eliminated as a candidate for where food molecules in plants come from.
What is Hydroponic Plant Food?
Hydroponic Plant Food (HPF) is a specially formulated nutrient solution designed for hydroponic plant systems. It contains a balanced blend of essential minerals and nutrients that plants need to grow and thrive, such as nitrogen, phosphorus, potassium, calcium, and magnesium. HPF is typically added to the water in the hydroponic system to provide plants with the necessary nutrients for healthy growth.
What are the nutrients?
Nutrients are substances that are essential for the growth, development, and maintenance of living organisms. In the context of hydroponic plant growth, nutrients refer to the essential mineral elements that are required by plants for healthy growth and development. These include macronutrients such as nitrogen, phosphorus, and potassium, as well as micronutrients such as iron, manganese, and zinc.
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Related Questions
made to protect the public as a whole from harmful acts of others is called
Answers
Answer: Civil law
Explanation:
Laws are made to protect the public as a whole from the harmful acts of others.
In a typical Gram-negative bacterium such as E. coli, proteins known as cytochromes (which are sometimes part of larger complexes known as oxidoreductases) are localized to the ______?
Answers
In a typical Gram-negative bacterium such as E. coli, proteins known as cytochromes (which are sometimes part of larger complexes known as oxidoreductases) are localized to the INNER MEMBRANE. Cytochromes are sometimes part of larger complexes called oxidoreductases that catalyze electron transfer reactions, they are essential for various metabolic pathways, including respiration and photosynthesis.
Gram-negative bacteria are a type of bacteria that do not stain well in the Gram staining procedure due to their cell wall structure. They have a thin peptidoglycan layer that is surrounded by an outer membrane with lipopolysaccharides in their cell walls. Cytochromes are heme-containing proteins that are important for electron transfer processes in various organisms, including bacteria, fungi, plants, and animals. These proteins are found in both eukaryotic and prokaryotic organisms. In Gram-negative bacteria like E. coli, cytochromes are localized to the inner membrane.
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The fertiary structure of a protein is a complex wangement formed as the polypeptide chain folds and twists. The folding and twisting of the polypeptide chain is caused by different interactions hotween the side chains of the amino acids. The side chains of the amino acids also interact with the surrounding aqueous environment. Identify the different types of active forces interactions present in the given tertiary structure of a proton moleculo Drag the appropriate labels to their respective targets.
Answers
The types of active force interactions present in the given tertiary structure of a protein molecule are as follows: Hydrogen bonding, ionic interactions, and van der Waals forces.
Hydrogen bonding: Hydrogen bonding is a type of chemical bond in which hydrogen atoms are bonded to an electronegative atom, such as nitrogen, oxygen, or fluorine. Hydrogen bonding is responsible for holding together the helixes and sheets in proteins. Ionic interactions: Ionic interactions are the forces of attraction between two ions with opposite electrical charges. They are responsible for maintaining the stability of the tertiary structure of the protein molecule. Ionic interactions occur between charged side chains of amino acids in a protein.
Van der Waals forces: Van der Waals forces are weak attractive forces between molecules. They arise from the interaction of electrons in the outermost shell of an atom with the nucleus of another atom. Van der Waals forces are responsible for stabilizing the tertiary structure of the protein molecule. They occur between nonpolar side chains of amino acids in a protein.
The tertiary structure of a protein is a complex arrangement formed as the polypeptide chain folds and twists. The folding and twisting of the polypeptide chain are caused by different interactions between the side chains of the amino acids. The side chains of the amino acids also interact with the surrounding aqueous environment.
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what part Located in depressions of mucous membranes of the throat and pharynx
Answers
The part located in depressions of mucous membranes of the throat and pharynx is the tonsils.
Tonsils are masses of lymphatic tissue located in the throat that play a role in the immune system. They help to trap and filter out bacteria and other foreign substances that enter the body through the nose and mouth. There are three types of tonsils: pharyngeal tonsils, palatine tonsils, and lingual tonsils.
The pharyngeal tonsils, also known as the adenoids, are located in the upper part of the throat, behind the nose, and above the soft palate. The palatine tonsils are located on either side of the back of the throat, while the lingual tonsils are located at the base of the tongue.
Tonsillitis is a common condition in which the tonsils become inflamed and swollen due to infection. Symptoms of tonsillitis include sore throat, difficulty swallowing, fever, and swollen lymph nodes. Treatment may involve rest, fluids, pain relievers, and antibiotics if the infection is bacterial. In some cases, a tonsillectomy (surgical removal of the tonsils) may be necessary if the condition is chronic or severe.
In summary, the tonsils are located in the depression of mucous membranes.
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when red flowered snapdragons are crossed with white flowered snapdragons, all the f1 plants will ave pink flowers. if mendel had used snapgragons instead of pea plants he would have had difficulty in formulating his principle of
Answers
When red flowered snapdragons are crossed with white flowered snapdragons, all the F1 plants will have pink flowers. If Mendel had used snapdragons instead of pea plants, he would have had difficulty in formulating his principle of incomplete dominance.
Incomplete dominance is a type of inheritance where one allele for a specific trait is not entirely dominant over the other allele. Incomplete dominance is described as a type of gene interaction where both the dominant and recessive alleles are expressed as a blended phenotype in the F1 generation.
Incomplete dominance was first described by Carl Correns, Erich von Tschermak, and Hugo de Vries. They studied snapdragon flowers, which produced a pink color when the dominant red allele was crossed with the recessive white allele. Because Mendel's pea plants only exhibited complete dominance, he would have had difficulty formulating his principle of incomplete dominance if he had used snapdragons instead of pea plants to study genetic inheritance.
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1. Dominating the scene of the 1800s, were two competing positions. The first was a belief that God created one form of human from which all humans descended, which was called ______________. The other form, _______________, that the diverse human populations of the earth were unrelated to other forms, which excused ideologies like slavery.2. The proponent of "Inheritance of acquired characteristics" was _________________, and his hypothesis could be explained as ____________________ (define in your own words).3. Charles Darwin argued that Descent with Modification was dependent on the environments’ controls. This principle is called ______________ ___________________.4. Darwin also noted that for some species, some features are not adaptive to the environment, such as a peacock’s tail. What did he call this form of selection? ________________.5. This is a functional protein, also known as a ________. It codes the trait that your body will express. It often has variant forms, and these are called _______________.
Answers
Dominating the scene of the 1800s, were two competing positions. The first was a belief that God created one form of human from which all humans descended, which was called Monogenism.
The other form, Polygenism, believed that the diverse human populations of the earth were unrelated to other forms, which excused ideologies like slavery.2. The proponent of "Inheritance of acquired characteristics" was Jean-Baptiste Lamarck, and his hypothesis could be explained as the ability of an organism to pass down certain traits to its offspring that it had acquired during its lifetime.3. Charles Darwin argued that Descent with Modification was dependent on the environments’ controls. This principle is called Natural Selection.4. Darwin also noted that for some species, some features are not adaptive to the environment, such as a peacock’s tail. What did he call this form of selection? Sexual selection.5. This is a functional protein, also known as a Gene. It codes the trait that your body will express. It often has variant forms, and these are called Alleles.
The first position was called Creationism and the second was called Polygenism.
2. Jean-Baptiste Lamarck was the proponent of Inheritance of acquired characteristics and his hypothesis was that organisms can pass down acquired traits to their offspring.
3. Natural Selection.
4. He called this form of selection "Survival of the Fittest".
5. This is a gene. It codes the trait that your body will express. It often has variant forms, and these are called Alleles.
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is o2 less toxic than co2 when it remains inside plants for specific time ?
and why?
Answers
Yes, O2 (oxygen) is less toxic than CO2 (carbon dioxide) when it remains inside plants for a specific time.
What is oxygen?Oxygen is a chemical element with the symbol "O" and atomic number 8. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements, as well as with other compounds. In its pure form, oxygen is a colorless, odorless, and tasteless gas that makes up about 21% of the Earth's atmosphere by volume. It is essential for life, as it is involved in the processes of respiration, combustion, and oxidation. Oxygen is also used in many industrial applications, such as in the production of steel, chemicals, and fuels.
Here,
This is because oxygen is required by plants for respiration, whereas carbon dioxide is a waste product of respiration. During photosynthesis, plants use energy from sunlight to convert carbon dioxide and water into glucose (sugar) and oxygen. This process releases oxygen into the atmosphere, which is then available for respiration by the plant's cells. If there is an excess of oxygen inside a plant for a prolonged period of time, it can lead to a process called photorespiration, which can reduce the efficiency of photosynthesis. However, this only occurs under certain conditions, such as high temperatures or low carbon dioxide levels. On the other hand, if there is an excess of carbon dioxide inside a plant, it can lead to carbon dioxide toxicity, which can inhibit the plant's growth and development. This is why it is important for plants to maintain a balance of gases inside their cells.
Overall, oxygen is less toxic than carbon dioxide when it remains inside plants for a specific time because it is required for respiration and photosynthesis, whereas carbon dioxide is a waste product that can be harmful in excess.
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helicase is an enzyme responsible for unwinding the double helix of the dna during dna replication. in which phase of the cell cycle is helicase performing this function?
Answers
During the cell cycle, DNA replication occurs during the S phase or synthesis phase.
In this phase, the DNA is replicated and the cell makes a copy of its genetic material to prepare for cell division. Helicase is an enzyme that plays a critical role in the process of DNA replication by unwinding the double-stranded DNA. Helicase acts during the initiation stage of replication, where it helps to separate the two strands of the DNA double helix, creating a replication fork.
This allows other enzymes involved in DNA replication, such as DNA polymerase, to access the strands and begin synthesizing new DNA strands. Therefore, helicase performs its function during the S phase of the cell cycle.
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Examine the model of a plant's shoot system and root
system.
Leaf
Stoma
What is happening in the top section of the diagram?
A. Water exits through a stoma by transpiration and helps
pulls up the water in the stem.
B. Water made by photosynthesis is stored in a vacuole
for later use in the leaf.
O c. Water flows between the xylem and ground tissue and
in and out of a stoma.
O D. Water flows in through a stoma to xylem in the leaf,
where it is used for photosynthesis.
SUBMIT
Answers
Water exits through a stoma by transpiration and helps pull up the water in the stem.
Option (a) is correct.
In the top section of the diagram, water exits through a stoma by a process called transpiration. Stomata are small openings on the surface of leaves that regulate gas exchange, including the release of water vapor. As water evaporates through the stomata, it creates a negative pressure gradient, known as transpiration pull, that helps in the upward movement of water in the stem.
Transpiration pull occurs due to the cohesion and adhesion properties of water molecules. Water molecules are cohesive, meaning they stick together, and they also adhere to the walls of the xylem vessels in the stem.
As water evaporates from the leaf, it pulls on the column of water in the xylem, causing a continuous flow of water from the roots to the leaves. This process is known as the transpiration stream and is responsible for the upward movement of water and nutrients in plants.
So, option A is the correct answer as it accurately describes the movement of water through transpiration and its role in pulling up water in the stem.
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List in order the parts of the respiratory system
that air passes through as it is breathed out. ( AS IT BREATHE “out”)
Answers
Answer:
nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)
Explanation:
the air is passed out from alveoli to Bronchioles to bronchi to trachea to larynx to pharynx to nasal cavity to nostrils and the breathed out
Here are the parts of the respiratory system that air passes through as it is breathed out:
LungsBronchial tubesBronchiolesAlveoliTracheaPharynxNasal cavityMouthWhat is the respiratory system?The respiratory system is a complex network of organs, tissues, and structures that work together to facilitate the exchange of gases (oxygen and carbon dioxide) between the body and the environment. Its main function is to provide oxygen to the body's cells while removing carbon dioxide, a waste product of metabolism, from the body.
The respiratory system includes the nose, mouth, pharynx, larynx, trachea, bronchi, bronchioles, alveoli, and lungs. When we inhale, air enters through the nose or mouth and passes through the respiratory tract, where it is filtered, warmed, and humidified.
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all of the following are true statements about eukaryotic cells except: multiple choice a true nucleus contains the chromosomes. eukaryotic cells contain membrane-bounded organelles. eukaryotic cells contain peptidoglycan in their cell walls. eukaryotic cells contain mitochondria. eukaryotic cells contain many organelles in the cytoplasm.
Answers
All of the following are true statements about eukaryotic cells except Eukaryotic cells contain peptidoglycan in their cell walls.
What is consistent throughout eukaryotic cells?As eukaryotic cells have a real nucleus, a membrane surrounds the cell's DNA. Because of this, the nucleus is where a cell's DNA is located and where ribosomes, the cellular organelles in charge of protein synthesis, are located.
What three characteristics do eukaryotic cells have?Organelles that are membrane-bound and found in eukaryotic cells include the nucleus, mitochondria, and endoplasmic reticulum. Protozoa, fungi, plants, and animals are examples of eukaryotic cell-based organisms. These species belong to the Eukaryota biological kingdom.
Are eukaryotes nucleated organisms?Eukaryotes are organisms whose cells have membrane-bound organelles in addition to a nucleus. Eukaryotic creatures come in a great variety, including most algae, all animals, plants, fungi, and protists. Eukaryotes can have a single cell or many cells.
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Leaves contain several thousand cells. Comment whether leave cells are prokaryotic or eukaryotic cells with reasons.
Answers
Answer:
Sel cuti pada daun adalah sel eukariotik. Hal ini disebabkan karena sel eukariotik memiliki ciri-ciri struktural yang berbeda dengan sel prokariotik, seperti:
Memiliki inti yang terpisah dari sitoplasma dengan membran inti (nukleus).
Memiliki organel-organel sel yang kompleks, seperti mitokondria, retikulum endoplasma, dan lisosom.
Memiliki ukuran yang lebih besar dan kompleksitas yang lebih tinggi.
Sedangkan pada sel prokariotik, inti tidak terpisah oleh membran dan tidak memiliki organel-organel sel yang kompleks seperti pada sel eukariotik.
Oleh karena itu, meskipun daun mengandung beberapa ribu sel, termasuk sel-sel cuti, sel-sel tersebut merupakan sel eukariotik karena memiliki struktur dan karakteristik sel eukariotik.
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How can a change in a DNA nucleotide lead to a change in the protein?
Answers
A change in a single nucleotide in DNA can lead to a change in the corresponding protein.
This is because the nucleotides in DNA code for the amino acid sequence of a protein, which then determines its function. When a single nucleotide changes, the resulting protein may be altered in terms of shape, stability, and function. For example, if the protein is a receptor for a hormone or other signaling molecule, it may no longer be able to interact with that molecule. Alternatively, a single nucleotide change may result in a structural change to the protein, which can affect its folding and overall structure, resulting in a loss of its activity. Ultimately, the ultimate consequence of a single nucleotide change can depend on the context of the gene, but in all cases, a single nucleotide change can have major impact on the resulting protein.
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which of the following statements about archaea is false? which of the following statements about archaea is false? some are thermoacidophiles; others are extreme halophiles. they are prokaryotes. they evolved before bacteria. some produce methane from carbon dioxide and hydrogen. they lack peptidoglycan in their cell walls.
Answers
The false statement regarding archaea is that they evolved before bacteria. They actually evolved after bacteria.
The archaea are a type of prokaryotic organism that can survive in extreme environments. These organisms are found in places where other forms of life cannot survive, such as hot springs, salt pans, and deep-sea vents.
Some examples of archaea include Methanogens that are known to produce methane gas by metabolizing carbon dioxide. Methanogens are involved in anaerobic decomposition processes in sewage and marshes.
Thermoacidophiles are another example of archaea, which are known to grow in extremely hot, acidic environments. Halophiles, on the other hand, are known to survive in extremely salty environments.
Archaea are prokaryotic organisms, which means they lack a true nucleus and membrane-bound organelles. They have a unique cell wall that lacks peptidoglycan, which is the main component of the cell walls in bacteria.
Therefore, the correct answer is that archaea evolved before bacteria.
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Choose all descriptions in the following list that apply to regulation by phosphorylation/dephosphorylation 1. Depends on concentration of etfector Requires an enzyme to activate or inactivate the protein 3. Uses single enzyme for activation and inactivation of the protein 4. Involves non-covalent binding of regulating molecule 5. Involves covalent bond(s) Is always positive; that is, having the effector or phosphate group bound to the protein activates the protein 7. Involves binding of something to site different from the functional (active) site of the protein 8. Causes conformational changes in the protein affecting the functional (active) site_ A 1,24,6 B. 2,3.7.8 C.2,3,5,8 D.1,4,7.8 E. 2.5,7,8
Answers
The correct choice for descriptions that apply to regulation by phosphorylation/dephosphorylation is option C: 2, 3, 5, 8. The following descriptions apply to regulation by phosphorylation/dephosphorylation.
They are: Depends on the concentration of the effector, Requires an enzyme to activate or inactivate the protein, Involves non-covalent binding of regulating molecules, Causes conformational changes in the protein affecting the functional (active) site.
Regulation by phosphorylation/dephosphorylation is a significant post-transcriptional modification of proteins. The process includes the addition of phosphate groups (phosphorylation) to protein molecules by protein kinases and their subsequent removal (dephosphorylation) by protein phosphatases.Protein kinases and protein phosphatases are in charge of regulating protein activity by adding or removing phosphate groups. The functional activity of the protein is altered when these enzymes alter the state of phosphorylation of a particular protein. For a protein to be phosphorylated, it must have a phosphorylation site. The amino acids serine, threonine, and tyrosine are typical sites of protein phosphorylation.
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How do you think living systems such as bats carry out life functions and respond to changes in their environment?
Answers
Living systems like bats carry out life functions and respond to changes in their environment through various biological processes. Bats have unique adaptations that allow them to carry out life functions such as feeding, respiration, circulation, and reproduction.
They have specialized wings that enable them to navigate and hunt in the air with precision, and a highly developed echolocation system that helps them locate prey and avoid obstacles in the dark. Bats are able to respond to changes in their environment through behavioral and physiological mechanisms such as adjusting their flight patterns and foraging behavior, modifying their body temperature, and metabolism in response to changes in temperature or other environmental stressors. These mechanisms allow bats to survive and thrive in their habitats despite changes in their environment.
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a group of small fish live in a lake with a uniformly light-brown sandy bottom. most of the fish are light brown, but about 10 are mottled. this fish species is often prey for large birds that live on the shore. a construction company dumps a load of gravel in the bottom of the lake, giving it a mottled appearance. which of these statements presents the most accurate prediction of what will happen to this fish population? view available hint(s)for part a a group of small fish live in a lake with a uniformly light-brown sandy bottom. most of the fish are light brown, but about 10 are mottled. this fish species is often prey for large birds that live on the shore. a construction company dumps a load of gravel in the bottom of the lake, giving it a mottled appearance. which of these statements presents the most accurate prediction of what will happen to this fish population? the ratios will not change. there is no way to predict the result. the proportion of mottled fish will increase over time. in two generations, all the fish will be mottled. as the mottled fish are eaten, more will be produced to fill the gap.
Answers
The most accurate prediction of what will happen to this fish population is that the proportion of mottled fish will increase over time.
After the construction company dumped a load of gravel in the bottom of the lake, giving it a mottled appearance, the fish that are already mottled and the fish that are light brown will both be able to camouflage in the environment. This means that the mottled fish will not be as easily preyed upon by birds as before, and more will be produced to fill the gap when they are eaten, leading to an increase in the mottled fish population over time.
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hybridization and inbreeding are important methods used in selec-tive breeding. evaluate these methods to deter-mine how they are similar and different.
Answers
Hybridization and inbreeding are important methods used in selective breeding. These methods differ in the procedure however achieve similar goals.
What is hybridization and inbreeding?Hybridization and inbreeding are important methods used in selective breeding to produce desired traits in a species. While these methods can achieve similar goals, they have distinct differences. Hybridization involves combining two purebred plants or animals of different varieties to produce a hybrid. This can lead to increased vigor, productivity, and other desirable traits in the resulting offspring.
Inbreeding is a process of selectively breeding individuals of the same variety or breed to maintain or accentuate specific desired characteristics. This can result in a decrease in vigor, fertility, and other traits, but can also lead to increased homozygosity, which can make it easier to identify and select for desired traits.
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Bi2 2009 jun q7
Or
(b) (i)
Describe how organisms such as Amoeba and the earthworm are able to
[5]
obtain oxygen without the need for specialised breathing organs.
(ii) Describe how pressure changes are achieved and bring about inspiration in a
mammal.
[5]
Answers
Answer:
(b) (i) Amoeba and earthworm are able to obtain oxygen through simple diffusion across their body surface. They have a thin and moist outer layer that allows gases to easily pass through. In the case of Amoeba, the oxygen dissolved in water diffuses through the cell membrane and into the cell. Earthworms, on the other hand, have a moist and permeable skin that is rich in blood vessels, allowing for efficient gas exchange.
(ii) In mammals, inspiration is brought about by the contraction of the diaphragm and intercostal muscles. The diaphragm is a dome-shaped muscle that separates the chest cavity from the abdominal cavity. When it contracts, it flattens and moves downwards, increasing the volume of the chest cavity. The intercostal muscles, located between the ribs, also contract and lift the rib cage upwards and outwards, further increasing the volume of the chest cavity. This decrease in pressure within the chest cavity causes air to rush in through the nose or mouth and into the lungs.
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which of the following is not a common characteristic of life?
a. responses made of cells b. made of cells movement c. growth and development d. respond to stimuli
Answers
The characteristic of life that is not common is cell movement. Thus, The correct option is b. made of cell movements .
Living things have some common characteristics that make them different from non-living things. The following are the common characteristics of living organisms
They show movement. Made up of cells. They respond to stimuli. Living things use energy. They grow and develop. They show reproduction. They have DNA. The characteristic of life that is not common is movement. This is the correct option out of the given options. Hence, option B (Movement) is not a common characteristic of life.
All living things exhibit growth and development, which refers to changes in form and function over time.
Living organisms are able to respond to stimuli in their environment, whether that be a change in temperature, light, or other factors.
Therefore , All living things are made up of one or more cells, which are the basic structural and functional units of life .Hence correct option is b.
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coenzymes are nonprotein compounds that are required for the activity of certain enzymes. one critical coenzyme central to metabolism is nad . in fact it is one of 5 coenzymes required by______ , the critical enzyme for producing acetyl-coa. nad is synthesized from_____ as was discovered to be critical for health by two american scientists, ______ , in the early 20th century. dietary lack of this critical molecule produces pellagra, characterized by the following symptoms: _____ . people with these problems were found in parts of the u.s. where diets lacked vegetables and consisted principally of corn. interestingly, soaking the corn in ____, a common practice in mexico, releases the critical coenzyme from proteins, making it bioavailable,
Answers
Coenzymes are nonprotein compounds that are required for the activity of certain enzymes. one critical coenzyme central to metabolism is nad . in fact it is one of 5 coenzymes required by pyruvate dehydrogenase, the critical enzyme for producing acetyl-coa. nad is synthesized from niacin (vitamin B3) as was discovered to be critical for health by two american scientists, Joseph Goldberger and Tom Spies, in the early 20th century. dietary lack of this critical molecule produces pellagra, characterized by the following symptoms: dermatitis, diarrhea, dementia, and death. people with these problems were found in parts of the u.s. where diets lacked vegetables and consisted principally of corn. interestingly, soaking the corn in alkaline, a common practice in mexico, releases the critical coenzyme from proteins, making it bioavailable,
NAD is required by pyruvate dehydrogenase. Joseph Goldberger and Tom Spies discovered niacin (vitamin B3). Symptoms of pellagra include dermatitis, diarrhea, dementia, and death. Corn is soaked in alkaline.Coenzymes are nonprotein compounds that are required for the activity of certain enzymes. One critical coenzyme central to metabolism is NAD. In fact, it is one of the 5 coenzymes required by pyruvate dehydrogenase, the critical enzyme for producing acetyl-CoA. NAD is synthesized from niacin (vitamin B3) and was discovered to be critical for health by two American scientists, Joseph Goldberger and Tom Spies, in the early 20th century. Dietary lack of this critical molecule produces pellagra, characterized by the following symptoms: dermatitis, diarrhea, dementia, and death.People with these problems were found in parts of the U.S. where diets lacked vegetables and consisted principally of corn. Interestingly, soaking corn in alkaline, a common practice in Mexico, releases the critical coenzyme from proteins, making it bioavailable.
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_____ Drugs that prevent the formation of the bacterial cell wall are: a) quinolones b) beta-lactams c) tetracyclines d) aminoglycosides e) macrolides.
Answers
Drugs called beta-lactams stop the bacterial cell wall from forming.
Which medication stops the bacterial cell wall from forming?Patients are dying from infections brought on by germs that are now resistant to even last-resort medications like vancomycin, like penicillin and vancomycin, which are antibiotics that prevent the formation of the bacterial cell wall.
Which medications target the bacterial cell wall?Vancomycin, teicoplanin, telavancin, bleomycin, ramoplanin, and decaplanin are important glycopeptide antibiotics. By preventing the formation of peptidoglycan, this family of medications prevents susceptible microorganisms from producing cell walls. They either eradicate bacteria or stop them from proliferating and spreading. Viral infections cannot be treated with antibiotics.
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in regard to concentration, how do water molecules move through the membrane?
Answers
Water molecules move through a membrane via a process known as osmosis.
Osmosis is the movement of water molecules from an area of lower concentration to an area of higher concentration. This means that water molecules move from an area with fewer molecules of water, to an area with more molecules of water. This is driven by the process of diffusion, where molecules naturally move from an area of higher energy to an area of lower energy. In osmosis, the energy of the water molecules is being used to overcome the energy of the membrane. This energy is used to break apart the membrane, allowing the water molecules to move through. As the water molecules move through the membrane, they continue to diffuse until they reach an area with an equal concentration of molecules. This process helps to maintain a balance of water molecules between the two sides of the membrane.
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Proteins need to be denatured using an anionic detergent such as SDS before gel electrophoresis because: Select all that apply. (0.5pts) Multiple answers: Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation... SHOW MORE a most proteins have a uniform positive charge b the overall charge of a protein depends on the amino acid composition of the protein and can vary greatly c most proteins have complex three dimensional structures that can impact their movement through the gel most proteins have a uniform neutral charge
Answers
Proteins need to be denatured using an anionic detergent such as SDS before gel electrophoresis because:
a) most proteins have a uniform positive charge,
b) the overall charge of a protein depends on the amino acid composition of the protein and can vary greatly, and
c) most proteins have complex three dimensional structures that can impact their movement through the gel.
Denaturing proteins with an anionic detergent like SDS neutralizes the charge of the proteins, allowing them to move evenly through the gel in a consistent pattern during the electrophoresis process.
Without the anionic detergent, the proteins would not move evenly and the results of the gel electrophoresis would not be accurate.
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which substance acts like a machine that pushes together molecules of ADP and phosphate (P) groups?
Answers
Answer: A. ATP SYNTHASE
Explanation: Explanation
simple spinal reflexes occur independent of the brain.truefalse
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Simple spinal reflexes occur alone in the brain. Harm to the ventral foundation of a spinal nerve would imply that the tactile gift of the reflex circular part would be raided. For the spinal cord to process a reflex arc, interneurons must be involved. The correct answer is true.
Control centers in the brain have a significant impact on spinal reflexes. Axons originate in a variety of brainstem and cerebral cortex centers and synapse primarily with spinal interneurons, with some providing direct input to motor neurons.
The brain does not participate in a reflex action. These automatic actions are controlled by the spinal cord, which response to stimuli without considering how to respond. The brain does not respond in any meaningful way to it.
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what sequences are in a cdna but not present in genomic dna
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Because cDNA is synthesized from mRNA, it lacks introns, which are non-coding regions of DNA found in genomic DNA.
cDNA might also have some sequences that are absent from genomic DNA in addition to not having introns. These movements consist of:
Untranslated regions (UTRs) are parts of mRNA that are not translated into proteins yet are crucial for the regulation of gene activity. UTRs, which are absent from genomic DNA, are added to cDNA after it is created from mRNA.
A single gene may occasionally encode several mRNA transcripts through a procedure known as alternative splicing, which enables the synthesis of several protein isoforms. Sequences from certain splicing variants that are not found in the genomic DNA may be found in cDNA that was created from mRNA.
Signals of polyadenylation can be found in the 3' untranslated region (3'UTR) of mRNA and are crucial for mRNA stability and translation.
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1. Discuss Dr. Lustig’s response when asked if sugar is toxic.2. Summarize the subsidy and insurance models described by Dr. Lustig, why they are at odds with each other, and what he suggests is the solution to changing the food supply in the United States.3.Explain what differential subsidization is and summarize the example Dr. Lustig provides, as well as how it can be put into action in the United States.
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Dr. Lustig believes that sugar is a toxic substance. He believes that sugar is the cause of many chronic diseases that are rampant in the United States.
He also believes that sugar is a drug that is as addictive as cocaine. He suggests that sugar be regulated like alcohol and tobacco to control its usage. Dr. Lustig described the subsidy and insurance models that are at odds with each other. The subsidy model supports the production of crops such as corn and soybeans, which are used to produce junk food. The insurance model supports the treatment of chronic diseases that result from the consumption of junk food.
Dr. Lustig suggests that the solution to changing the food supply in the United States is to subsidize the production of healthy foods and to tax junk food. Differential subsidization is the practice of providing subsidies to specific crops that are healthier than others. Dr. Lustig provides the example of a subsidy for broccoli. Broccoli is a healthy vegetable that is rich in nutrients and has a low glycemic index. A differential subsidy for broccoli would encourage farmers to grow it and would make it more affordable for consumers.
Dr. Lustig believes that sugar is a toxic substance. He believes that sugar is the cause of many chronic diseases that are rampant in the United States. Differential subsidization can be put into action in the United States by providing subsidies to farmers who grow healthy crops and by increasing the price of junk food through taxes.
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the shoot system of a barrel cactus consists of broad barrel-shaped green structures covered with spines. which of the following best describes the modified organs that form the barrel and the spines?
a- The barrel is a modified stem and the spines are modified buds
b- The barrel is a modified stem and the spines are modified leaves
c- The barrel is a modified leaf, and the spines and modified buds
d- The barrel is a modified root, and the spines are modified stems
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The best answer for the modified organs that form the barrel and the spines of the shoot system of a barrel cactus is the following option: B) The barrel is a modified stem, and the spines are modified leaves.
The shoot system of a barrel cactus consists of a broad barrel-shaped green structure covered with spines, which best describes the modified organs that form the barrel and the spines. The barrel is a modified stem, and the spines are modified leaves.
The barrel-shaped structure of the barrel cactus is a stem that has become a fleshy and swollen structure adapted to storing water. The broad shape of the stem allows it to hold more water while exposing a smaller surface area to the sun and avoiding water loss. The spines, on the other hand, are modified leaves. In desert ecosystems, leaves have a higher surface area to volume ratio, allowing them to absorb more sunlight and carbon dioxide for photosynthesis.
As a result, leaves are more likely to lose water than stems or roots. Cacti with spines are therefore well adapted to arid environments, where they can photosynthesize without losing too much water through transpiration.
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What is the relationship between the direction of the ocean current and the coastal
climate?
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Some currents take warm water away from the equator, influencing coastal climates near the poles. Others take colder water from the poles or the deep ocean and move it towards the equator, creating cooler coastal climates.