The process likely to be occurring in the plant's roots will be nitrogen fixation.
What is nitrogen fixation?It is a process whereby atmospheric nitrogen is converted to usable forms of nitrogen in the soil.
Nitrogen fixation takes place in the root nodules of leguminous plants in association with some symbiotic bacteria.
Thus, the only process that could be happening in the plant's root is nitrogen fixation.
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HELP MEH PLEASE thank you yall
In the image, the structure indicated is the plant cell wall, which is responsible for protection and homeostasis.
What is the function of the plant cell wall?Cell wall is a cell structure that differentiates animal cells. Its main purpose is to avoid the plasma membrane of cells, skin function and resistance to physical resistance and which includes the plasma membrane of cells.
With this information, we can conclude that The cell wall is a very resistant structure composed of microfibrils of the polysaccharide called cellulose. It surrounds the plasma membrane and has pores in its structure that function as filters in relation to the external environment.
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A pea plant purebred to produce round yellow peas is crossed with a plant purebred to produce wrinkled green peas. Round pea shape is dominant to wrinkled, and yellow pea color is dominant to green. Members of the resulting F1 generation are then crossed to produce an F2 generation, as shown in the figure. On average, what fraction of the F2 generation will display both dominant traits?
(ANSWER ONLY IF YOU ARE SURE PLEASE NO GUESSING THANK YOU)
A)
4 out of 16 plants will display both dominant traits.
B)
9 out of 16 plants will display both dominant traits.
C)
16 out of 16 plants will display both dominant traits.
D)
12 out of 16 plants will display both dominant traits.
The fraction of the F2 generation that will display dominant traits will be 9/16. The correct option is B.
Dihybrid crossLet us assume that pea shape is represented by A (a) while color is represented by B(b).
Purebred round yellow peas = AABB
Purebred wrinkled green peas = aabb
F1: AABB x aabb
all AaBb
F2: AaBb x AaBb
A_B_ = 9/16
A_bb = 3/16
aaB_ = 3/16
aabb = 1/16
Thus, the fraction of the F2 offspring with both dominant traits. A_B_, is 9/16.
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organism that must get energy from their environment are classified as?
Answer:
Heterotroph
Explanation:
Hi, According to what I understand, the term is heterotroph, not hetrotrop [Tropism is concerned with how organisms react to a certain stimulus]
The word "heterotrophy" refers to organisms that do not synthesis their food or carbohydrates in the presence of photosynthetic pigment using CO2, water, or solar energy. With the exception of Euglena, they cannot synthesis their food or carbohydrates (it is unicellular and contains photosynthetic pigment). Carnivores, herbivores, etc. are heterotrophs.
Write a description of the chromosomes within the cells of a diploid plant with 8 chromosomes per diploid cell at the end of each phase of meiosis by filling out the table below. Recognize that cytokinesis is completed by the end of telophase and that two cells will be present for every cell that enters telophase.
A cell with 8 chromosomes will enter cytokinesis to produce two daughter cells with 8 chromosomes each, and before that, it will be one single cell with 16 chromosomes in telophase.
What is cytokinesis?Cytokinesis is the process of division of cytoplasm in eukaryotic cells during mitosis or meiosis.
A diploid cell in telophase has two complete pair sets of homologous chromosomes that separate during this phase.
In conclusion, this cell enters cytokinesis to produce two cells having 8 chromosomes each, and before that it is one cell with 16 chromosomes.
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1. Which amino acids changed between the three species? List four of them below, using the number of the amino acid.
Example: Amino acid 189 changed from valine to isoleucine in a warm adapted species.
1) _______________________________________________________________
2) _______________________________________________________________
3) _______________________________________________________________
4) _______________________________________________________________
2. What were the changes in the chemical properties of the R-groups? Use the amino-acid chart to in the Powerpoint file to answer this question.
Example: Both valine and isoleucine are nonpolar.
1) _______________________________________________________________
2) _______________________________________________________________
3) _______________________________________________________________
4) _______________________________________________________________
3. How might the changes that you identified affect the protein’s structure?
Example: The change would likely have no effect. Neither valine and isoleucine would promote hydrogen bonding with water, because their R groups are nonpolar and thus hydrophobic.
1) _______________________________________________________________
2) _______________________________________________________________
3) _______________________________________________________________
4) _______________________________________________________________
4. Assuming that the mutations are adaptive, how should the changes that you identified affect the stability of the protein at low and high temperatures?
The amino acids that changed between the three species are;
The changes in the chemical properties of the R-groups are given as:
Both valine and isoleucine are nonpolar.Both glycine and alanine are nonpolar.Glutamine is an uncharged polar group and Lysine is a charged polar group.Both glutamic acid and aspartic acid are charged polar group.How might the changes that you identified affect the protein’s structure?In scenario 1 and 2, the modifications would have zero effect.
In scenario 3, the polar groups are detected on the surface of the protein, thus, it is correct to state that both glutamine and lysine are polar and the modifications will have zero effect.
With regards to scenario 4, the change will have no impact, given that both glutamic acid and aspartic acids are R groups that are negatively charged.
Assuming that the mutations are adaptive, how should the changes that you identified affect the stability of the protein at low and high temperatures?These mutations are critical for protein's three-dimensional structure stability.
For example, due to the proteins from thermophilic creatures, they are able to live at high temperatures and survive at low temperatures.
This is because they frequently have a large network of salt bridges on their protein surface, which offers thermo-stability to these proteins and prevents denaturation owing to the high temperatures in the environment.
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What is the Linnaean system of classification? Why do scientists classify animals?
Answer:
-Linnaean Classification System: Classification of the Human Species.
-Biological scientists have worked to classify earth's organisms in a manner that would help us understand how both the present and the extinct species relate to each other.
Question 10
Sensitive to the amount of light in our environment and releases melatonin.
O Pineal body
O Cerebellum
O Hypothalmus
O Corpus callosum
O Hippocampus
Answer: A. The Pineal body
Explanation: The pineal gland is responsible for releasing melatonin in response to a dark environment.
B. The cerebellum is largely responsible for motor functions such as walking and balance.
C. The hypothalamus is largely responsible for maintaining homeostasis within the body through the control of the autonomic nervous system and various hormones.
D. The corpus callosum is the "bridge" that helps the two hemispheres of the brain communicate with one another.
E. The hippocampus is largely responsible for learning and memory.
Hey y’all a gal needs help
Answer:
energy-rich molecule: ATP
use: it is hydrolyzed by cells to produce energy. Under standard conditions the removal of a phosphate group from ATP to produce ADP + Pi yields 30.6KJmol‐¹.
organelle: mitochondria
What is TRUE about the North and South Poles? Select all that apply.
The poles experience all four seasons.
The poles never get any direct sunlight.
The poles have daily equal amounts of sunlight and darkness.
They both get the same amount of sunlight.
The poles never get any direct sunlight.
They both get the same amount of sunlight.
Because they receive no direct sunshine, the Arctic (North Pole) and Antarctic (South Pole) are both chilly. Even at the height of summer, the Sun is low on the horizon. The Sun doesn't rise at all for several months during the winter since it is so deep below the horizon hence poles don't have equal amounts of sunlight and darkness.The poles receive less energy and heat from the sun because of the tilt of the earth and its orbit around the sun. There are just two polar seasons as a result: summer and winter.The tilt of the Earth's axis causes the Poles to experience around six months of day and six months of night. Due to this tilt, each Pole spends roughly six months angled both toward and away from the Sun. The North Pole experiences six months of nonstop daylight when it is inclined toward the Sun.In the winter, the Sun sets for extended periods of time since it is so deep below the horizon. Therefore, the days are chilly and dark, much like the nights. The South Pole and North Pole receive the same amount of sunshine despite being "polar opposites."learn more about poles here: https://brainly.com/question/1776073
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Answer:
B - The poles never get any direct sunlight. D - They both get the same amount of sunlight.
Explanation:
Hope this helps
[OSS.01] The picture below shows the most widely accepted model of the solar system.
Earth
Sun
2010 FLVS
Which of these statements best describes a function of this model?
K
The function of this model is option A: that is it helps us to understand the details of scientific concept.
What are the 7 solar systems?There are known to be 7 planets and they all are known to revolve round the Sun, they are:
Mercury Venus Earth Mars Jupiter SaturnUranusNeptune.Note that Scientific models are tools that are often used to explain and tell the behavior of real objects or systems and also they functions or they are used in a a lot of scientific disciplines, such as physics and chemistry, etc.
Therefore, The function of this model is option A: that is it helps us to understand the details of scientific concept.
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DESCRIBE the importance of microorganisms (including
bacteria) and what would happen if all microorganisms would suddenly disappear from the pond?
Answer:
corals which depend on microscopic agale and a surprisingly diverse collection of bacteria would become week and vulnerable. there mighty reefs would Bleach and edore and all life they support with suffer humans oddly would be fine
Dr. Gonzelez's psychiatric patient reports that last week she stayed up for three days writing because she felt incredibly energetic and creative. She reported to her therapy session looking tired and had not showered or changed clothes for several days. What disorder most fits the patient's symptoms?
A specific phobia
Major depressive disorder
Bipolar disorder
Generalized anxiety disorder
Answer:
The best treatment for specific phobias is a form of psychotherapy called exposure therapy. Sometimes your doctor may also recommend other therapies or medication. Understanding the cause of a phobia is actually less important than focusing on how to treat the avoidance behavior that has developed over time
Explanation:
The disorder that most fits the patient's symptoms is a bipolar disorder. The correct option is C.
What is bipolar disorder?Bipolar people have episodes of severe depression as well as episodes of mania, which include overwhelming joy, excitement, or happiness, enormous energy, a reduced need for sleep, and reduced inhibitions. Bipolar disorder is a highly individual experience.
The symptoms of bipolar disorder are frequently triggered by a stressful circumstance or situation. A relationship breakdown is an example of a stressful trigger. Abuse can be physical, intimate, or emotional.
Bipolar disorder is characterized by extreme mood swings that are unpredictable and frequently disrupt daily functioning.
According to Dr. Gonzelez's psychiatric patient, she stayed up for three days last week writing because she felt incredibly energetic and creative.
She arrived at her therapy session exhausted, having not showered or changed clothes in several days; the disorder that best fits the patient's symptoms is a bipolar disorder.
Thus, the correct option is C.
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Do non-human primates have culture? Why or why not
Answer:
While nonhuman primates don't have obvious cultural traditions the same way humans do, such as variation in their clothing or adding extra spice to their food, primatologists have nonetheless identified behavioral practices that vary between communities and which are transmitted through social learning
Explanation:
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a) New plant does not grow from a seed kept in a closed box or bottle.
Answer:
simple there is no oxygen
Show the cross between a heterozygous plant and a homozygous recessive plants
Answer:
Okay so firstly you'll have to make the Punette square for this.
so if you make a cross you'll get 50 percent heterozygous traits and 50 percent recessive traits
Help me on this please
Answer:
A
Explanation:
Is a process by by which two or more different strains combine to form a new subtype.
Based on your knowledge of flowers, why do you think most flowers are bright in color?
Most flowers are bright in color because it is attractive to pollinators.
What is adaptation?An adaptation is any phenotypic trait that confers an evolutionary advantage to an individual.
Most flowers are bright in color because it is attractive to pollinators, which is required to transport pollen to other flowers and thus increase the genetic variation in the plant population.
In conclusion, flowers are bright in color to attract pollinators.
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Other things being equal, what is a potential disadvantage of an enzyme having a very high affinity for its substrate?.
Since the ES complex would be in a "energy trough," the activation energy for the transition state would be quite high.
What is enzyme?Tight enzyme substrate binding will lower the reaction's forward rate constant.A forward reaction's activation energy will increase when an enzyme's affinity for its substrate is high.Because the enzyme-substrate complex will be located in a deep energy well, it will be more stable.In contrast to the situation where the substrate-enzyme binding is weaker, a tight binding of the substrate to the enzyme will alter the amounts of free substrate and free enzyme. This little modification won't have much of an impact on the reaction kinetics because the substrate concentration is often higher than the enzyme concentration.It is unlikely that tight binding would result in the active site being altered. Since the enzyme is significantly bigger than the substrate, it is unlikely that it will change shape.Learn more about enzyme here:
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1) Accumulation of excretory wastes in human blood and its excretion by the
kidneys leads to ...
Organs in the excretory system rid the body of metabolic waste products and pollutants. This includes the elimination of urea from circulation and other bodily wastes in humans. While solid wastes are eliminated from the large intestine, urea elimination takes place in the kidneys.
How do the kidneys work?The body transforms nutrients from meals into energy. Waste products are left in the blood and bowel after the body has utilized all the required nutrients from meals.The waste products are expelled with the aid of the urinary system and kidneys. They also maintain the proper balance of water and substances like potassium and salt. The body's hazardous waste products from food metabolism are filtered by the kidneys and removed. If these waste products accumulate in the body, it may lead to issues. The body's fluid and acid-base balance are both regulated by the kidneys.The kidneys are two bean-shaped organs. They are located below the ribs toward the middle of the back. Through microscopic filtering organs called nephrons, the kidneys eliminate waste substances from the blood called urea. Each kidney has roughly a million nephrons. A glomerulus, a ball of tiny blood capillaries, and a renal tubule, a tiny tube, make up each nephron. The glomerulus receives blood and filters it there. The water and other materials are added to or subtracted from the filtered fluid as it travels through the tubule. Urine is the liquid that is left over.After the urine is created, it flows through the kidney's nephrons and down its renal tubules. The renal pelvis receives urine from the calyces, which then directs it into the ureter. It then descends and enters the bladder from here.The kidneys perform a number of essential tasks, including filtering waste from the blood and assisting with the body's fluid and other material balance.To learn more about kidneys, refer to:
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which of the following enzymes is used to make radioactively labeled DNA?
What feature of a phylogenetic tree shows a group of organisms that evolved from a common ancestor?
Host
Branch
Tree
Clade
Answer: Clade
Explanation:
Name the labeled structure
Answer is superior vena cava
Reason
See attached diagram
PLS HELP WILL GIVE 50 PONITS+ MARK BRAINLYEST IF DO What has developed as a result of population growth around Cape Canaveral due to the space program?
Fewer stop lights
New homes
More orange groves
Outbreak of disease
SUBJECT: sciences
New homes has developed as a result of population growth around Cape Canaveral due to the space program.
What is population growth?The rise in the number of people on Earth is referred to as population growth. The majority of human history saw a relatively steady population size. Energy, food, water, and medical care, however, became more accessible and dependable as a result of innovation and industrialization.The average human lifetime has gradually increased since 1950 as a result of significant breakthroughs in public health, nutrition, personal hygiene, and medicine, which has resulted in an unprecedented rise in global population.The population is one of the crucial elements that balances the ecosystem.It should be in harmony with available resources and methods.A balanced population will make it easier to meet all of the needs and demands of the populace, helping to protect the nation's environment.Learn more about population growth here:
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3. Describe the relationship between systems, tissues, organs, and cells.
Answer:
They have a never ending relationship.(It ends on the death of the living being).
Explanation:
How they are inter-related:
The smallest structural and operational unit in the human body are cells.
A TISSUE forms when a number of specialized cells work together to complete a specific task.
The ORGANS are made up of tissues that work together to provide a specific purpose in the body.
Now, an ORGAN SYSTEM is created when a collection of organs in the human body carry out the life process.
What would the genotype of the parents need to be to produce a child that has a 50% chance of being born homozygous recessive and a 50% of being born heterozygous for Huntington’s disease? An empty Punnett square is provided to show your work
One of the parents must be heterozygous while the other must be homzygous.
Huntington diseaseHuntington's disease is an autosomal dominant disease. In other words, only one allele (dominant) is required for the disease to manifest.
In order to produce a child with a 50% chance of being homzygous for the disease, one of the parents must be heterozygous for the disease, while the other must be homzygous.
Assuming the allele for the disease is A(a).
AA x Aa
AA Aa AA Aa
Probability of AA = 2/4 or 50%
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Occurs when the individual inherits only one (female) X chromosome
Answer:
Turner Syndrome
Explanation:
When someone only inherits only the X chromosome, their karyotype symbol for that will be XO. Symptoms of Turner Syndrome include "short height, failure of the ovaries to develop and heart defects."
If you observed that the Sun did not set during an entire 24-hour period of time during the summer months of June, July, and August, where are you most likely located?
South Pole
a location in the mid-latitudes
North Pole
near the Equator
The correct option is (c). We are supposed to be located in the north pole. This is due to Arctic circle phenomenon.
What is Arctic circle phenomenon?
Arctic circle phenomenon means that the sun does not set above this latitude during the summer months. Arctic circle is an imaginary line. North pole of the Arctic circle faces the periods of constant sunshine mainly during the summer months of june, july and august. This occurs due to the fact that Earth is tilted at its axis by 23 degress and during its rotation in summer months it's North pole gets aligned towards our star. For example, northmost parts of Norway.
That's why the Sun did not set during an entire 24 hour period of time during summer months of june,july and august.
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Hypothesis: If cells are viewed under higher magnification, then more cell organelles will be seen.
The hypothesis is false. Higher magnifications only increase the details of organelles, not increase the number.
Microscope's MagnificationAt lower magnifications, cells on slides are brought into focus and the organelles are seen but not in detail.
At higher magnifications, the organelles of cells appear bigger and can be studied in more detail compared to at lower magnifications.
Thus, higher magnifications do not increase the number of organelles that will be seen, but their details.
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which organism is responsible for returning nutrients back to the soil
According to the research, decomposers are organisms responsible for returning nutrients back to the soil.
What are decomposers?They are different organisms such as bacteria and fungi whose main function is to break down the waste of plants and animals.
With the decomposition process where organic matter is processed into inorganic, simple elements (nutrients) reappear in the soil that are used as food by plants.
Therefore, we can conclude that according to the research, decomposers are organisms responsible for returning nutrients back to the soil.
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Identify the structures in the cell pictured on the right.
Label A
Label B
Label C
Label D
Label A - Nucleus
Label B - Cytoplasm
Label C - Ribosome
Label D - DNA
Organelles of a cell
The picture is that of an animal cell.
The parts labeled A, B, C, and D respectively are the nucleus, the cytoplasm, the ribosome, and the cell's DNA.
The nucleus is located centrally and controls the activities of the cell. It is a double membrane organelle that house the genome of the cell. Materials are able to move in and out of the nucleus while the nuclear membrane act as a selectively permeable membrane.
The cytoplasm represents the inner content of the cell. It consists of the inner organelles and the liquid content, otherwise known as the cytosol.
The ribosome is a small spherical organelle that functions in the synthesis of proteins. Some ribosomes lie freely within the cytoplasm while others are found attached to another organelle known as the endoplasmic reticulum.
The DNA is located inside the nucleus. It is the molecule responsible for the transfer of traits from parents to offspring.
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