Answer:
the backbone of a DNA is made of a sugar and a phosphate molecule
"The ancestor of today's anteaters lived among many creatures who
ate ants, but the ancestor, through random variation, had a longer
tongue and was able to more easily catch ants. It thrived, produced
more offspring, and outcompeted the others with shorter tongues."Lamarck or Darwin?
This scenario is described in the style of Charles Darwin's theory of evolution by natural selection.
What is Charles Darwin's theory of evolution?Charles Darwin's theory of evolution is the idea that species change over time through the process of natural selection. This theory was first presented in Darwin's book "On the Origin of Species" in 1859. According to the theory, species evolve through the gradual accumulation of small variations in their characteristics, which give some individuals an advantage in survival and reproduction.
Over time, these advantageous variations can become more widespread in a population as individuals with these traits pass them on to their offspring. This process is known as natural selection. The theory of evolution by natural selection provides a scientific explanation for the diversity of life on Earth, and it is widely accepted by the scientific community as one of the most well-established scientific theories. It has had a profound impact on many areas of science, including biology, genetics, and ecology, and it continues to shape our understanding of the natural world.
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NEED HELP PLEASE!!!!!
Man's genotype is DdHd. Women's genotype is ddHh. 25% of the kids will have curly hair and dimples. One-quarter of all children will have straight hair and a dimple. 25% of the kids will have curly hair and no dimples.
What is genotype?An organism's genotype is its whole collection of genetic material. The term "genotype" can also refer to the alleles or variations that an individual possesses in a certain gene or genetic region. A genotype is a classification of the kind of variation found at a certain position (i.e., a locus) in the genome. Symbols can be used to symbolize it. For example, the letters BB, Bb, bb might be used to indicate a specific mutation of a gene. In a general sense, the term "genotype" refers to an organism's genetic composition; in other words, it characterizes an organism's whole collection of genes.
Here,
DdHd is genotype of man. ddHh is genotype of women. 25% children will have curly hair and dimple. 25% children will have straight hair and dimple. 25% children will have curly hair and no dimple.
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Which of the following could be responsible for atherosclerosis and should be eliminated from diet for health reasons? ANSWER: butter olive oil lard butter and lard
Butter, liver, and kidney organ meat could be responsible for atherosclerosis and should be eliminated from diet for health.
Is a heart disease risk factor an atherogenic diet?Atherogenic diets, which affect other biological parameters such high blood pressure, LDL cholesterol, HDL cholesterol, thrombogenic factors, and obesity, are closely linked to CHD rates.
What is atherogenic, and why?The arteries become thicker or harder due to atherosclerosis. It is brought on by a buildup of plaque in the artery's inner lining. Deposits of fatty materials, cholesterol, cellular waste products, calcium, and fibrin make up plaque.
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Which of the following best describes a characteristic of Fungi that differentiates them from plants? (2 points)
Fungi are chemoautotrophs, while plants are photoautotrophs.
Fungi contain chitin in their cell walls, while plant cell walls contain cellulose.
Fungi are unicellular, while plants are multicellular.
Fungi reproduce sexually or asexually, while plants reproduce sexually.
Answer: Fungi are chemoautotrophs while plants are autotrophs.
Explanation: I just learned this a few months ago in biology class
if that helps.
the blueprint for the polypeptide chain of insulin is found in the
The blueprint for the polypeptide chain that is insulin is found in the DNA of specialized pancreatic cells.
How DNA is making polypeptide chains?DNA is the genetic material, which transcribes into the RNA, then mRNA is translated into amino acids which makes a polypeptide chain of insulin. This insulin helps to control blood glucose levels.
In type 1 diabetes the immune system generally attacks the beta cells that produce insulin in your pancreas, which fluctuates blood glucose level.
Therefore, DNA acts as the blueprint for the polypeptide chain for insulin.
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The given question is incomplete, so most probably complete question is,
In humans, insulin is manufactured in the pancreas. Insulin is a peptide hormone that causes the body's cells to take up glucose. The blueprint for the polypeptide chain that is insulin is found in the __________ of specialized pancreatic cells.
A carbon atom has 6 electrons however, its valency is 4. This is because the carbon atom.
A carbon atom has 6 electrons however, its valency is 4. This is because the carbon atom has only 2 electrons in its first shell and 4 in the second shell.
Atomic carbon has six electrons: two core electrons in the 1s orbital and four valence electrons in the 2s and 2p orbitals. Because carbon has a valency of four, it can form bonds with four other carbon atoms or atoms of another monovalent element. This is known as carbon's tetravalency. If the number of electrons in the outer shell is four or less, an atom's valency is equal to that number. Otherwise, the valency is eight less the number of electrons in the outer shell. The valency can be easily calculated once you know the number of valence electrons.
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Which two processes are involved in mitoticcell division?nuclear duplication and cytoplasmicdivisionB nuclear duplication and cytoplasmicduplicationC. spermatogenesis and cytoplasmicduplicationD. oogenesis and cytoplasmic division
The two processes involved in mitotic cell division are: (1) nuclear duplication and cytoplasmic cell division.
Mitosis is the process of cell division that occurs in the somatic cells. It does not change the number of chromosomes in the daughter cells and hence is called the equational division. The process of mitosis is accomplished in 4 phases: prophase, metaphase, anaphase and telophase.
Cytoplasm is the gel-like substances present inside the cells that provides the suitable environment for the cell organelles to reside in the cells. The cytoplasm is composed of the fluid contents of the cell, nucleus and the cell organelles all combined together.
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Depletion to the ozone layer can cause changes to the biogeochemical cycles.truefalse
The answer is True, because ozone depletion may change the amount of vital gases in our atmosphere, such as carbon dioxide and carbon monoxide, which can increase UV radiation and generate irregular climatic conditions, affecting natural biogeochemical cycles.
Changes in stratospheric ozone have a significant impact on the intensity of solar UV-B radiation, which in turn impacts the biogeochemical cycling of carbon and other chemical elements.
The quantity of UVB that reaches the Earth's surface rises as the ozone layer depletes. UVB induces non-melanoma skin cancer and has a significant influence in the development of malignant melanoma, according to laboratory and epidemiological research.
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write a essay about how coke was made.
Answer:
Coke is a type of fuel made by heating coal in the absence of air. This process, known as coking, produces a solid fuel that has a higher energy content and is more efficient to burn than coal alone. Coke is used in metallurgical and industrial processes, such as smelting and steel production.
The coking process was first developed in 18th century England, and is still used today. To make coke, coal must be heated in an oxygen-free environment to temperatures of up to 1,000 degrees Celsius. The heat breaks down the coal, releasing volatile compounds and leaving a carbon-rich residue. This residue, or ‘coke breeze’, is then cooled and formed into large bricks.
The coking process has changed over the years, with new technologies being developed to reduce the amount of time and energy needed for the process. Today, ‘retorting’ is a common technique used to make coke. In this process, the coal is placed in an air-less container and heated to temperatures of up to 1,200 degrees Celsius. This process produces a higher-quality product and reduces the amount of time needed for the process.
give me brainiestWhat is a homozygous gene when both alleles are identical?
A homozygous gene is a gene in which both alleles are identical.
This means that an individual with a homozygous gene will have the same version of the gene on both chromosomes. For example, if an individual has two copies of the "A" allele for a particular gene, they would be homozygous for that gene. An individual who is homozygous for a genomic marker has two identical versions of that marker. On the other hand, a heterozygous gene refers to a gene in which an individual has two different alleles for a particular gene. This means that the individual will express a combination of the traits or characteristics associated with each allele.
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What are the steps in building proteins from RNA?
Initiation, elongation, and termination are the three stages of translation.
About translationTranslation in genetics and molecular biology is the process of translating the sequence nucleotides present in the mRNA molecule into a sequence of amino acids that make up a polypeptide or protein. Transcription and Translation are the two main processes that link genes to proteins. Translation only occurs in mRNA molecules, whereas rRNA and tRNA are not translated.
An mRNA molecule which is a copy of DNA sequences composes a gene in the form of an open reading frame. mRNA carries amino acid sequence information. Translation into three stages (same as in transcription) namely initiation, elongation, and termination. All of these steps require protein factors that assist mRNA, tRNA, and ribosomes during the translation process. Initiation and elongation of the polypeptide chain also requires a certain amount of energy.
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what two factors determine climate
Precipitation and temperatures are the two main determinants of a region's climate. Average annual temperature is, but it The difference between the hottest and lowest temp is substantially greater in certain places.
What does climate mean?Climate is the average weather conditions over a longer length of time in a particular place. A depiction of a climate contains details such as the typical temperature in each season, the amount of rainfall, and the amount of sunlight.
What types of climate are examples?The average of both the weather is the climate. As an illustration, you can anticipate snow in the Northeastern in January or hot and muggy weather in the East in July. Climate is this. Extreme values, such as record-breaking high temperatures or heavy rainfall, are also part of the climatic record.
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How does the furnace get the energy needed to heat the water
Thermal energy is created by burning fuel in a boiler as part of a hot-water heating system.
What is Thermal energy?Thermal energy, internal energy present in a system in a state of thermodynamic equilibrium by virtue of its temperature. Thermal energy cannot be converted to useful work as easily as the energy of systems that are not in states of thermodynamic equilibrium. A flowing fluid or a moving solid, for example, possesses energy that can be converted to work in some mechanical device, such as a windmill or a waterwheel, but the same fluid or solid in a thermodynamic equilibrium state having the same energy (as thermal energy) can do no work unless it is combined with another substance at a different temperature, as in a heat engine.To learn more about thermodynamic refer to:
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As infants gain familiarity with repeated exposure to a visual stimulus, their interest wanes and they look away sooner. the decrease in an infant’s responsiveness is called?
Babies get used to repeating exposure to visual influences, but their interest wanes and they look away more quickly. This decrease in the baby's responsiveness is called Speech delay.
What is speech delay?Speech delay is a delay in a child's ability to convey something or speak. In this condition, the child is unable to convey his thoughts properly, so his words are difficult to understand. Children with speech delays are able to say words but have difficulty connecting them.
Speech delays can be caused by impaired physical growth, ear infections, or problems with the mouth or hearing. One of the causes of speech delay in children is screen time or being exposed to too long and frequent use of gadget screens.
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what decisin would you ultimately maks and why? explain whether you feel more closely aligned with the anthropocentrist philosophy of gifford pinochet or the ecocetrist philosophy of john muir
As for me, I will feel more closely aligned with the anthropocentrism philosophy of Gifford Pinochet as the wise usage of natural resources ensures continuous existence of humans and taking humans as most important beings give us reason to live and have a support aid as only humans actually understand one another.
What is anthropocentrist philosophy of Gifford Pinochet or the ecocetrist philosophy of John Muir?Anthropocentrism is the philosophy that human beings are the most important consideration in any ethical decision. Gifford Pinchot was an American forester and politician who advocated for the "wise use" of natural resources, primarily for the benefit of human society. He believed that nature existed for the benefit of human beings, and that responsible resource management was necessary to ensure that future generations would also have access to these resources.
Ecocentrism, on the other hand, is the philosophy that all living things in the ecosystem are of equal moral value and that human beings have no greater right to exploit the environment than any other species. John Muir was an American naturalist and preservationist who advocated for the protection of wilderness areas and the recognition of their intrinsic value, separate from their usefulness to human beings. He believed that nature had its own rights, and that human beings had a moral duty to respect and preserve the environment.
Therefore, the correct answer is as given above
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which of the following represents a pair of vertical angles
Angles that are immediately across from one another on intersecting lines are known as vertical angles.
What is angles?A place to start. An angle is produced when two rays come together at a single point. The common point is referred to as the node or vertex, while the two rays are known as the arms of the angle. The word "angle" has its roots in the Latin word "Angulus."
How many types of angle are there?In geometry, there are three basic kinds of angles: acute angles, which have a degree range of 0 to 90. A 90° angle, or the right angle. Obtuse angles are those between 90 and 180 degrees. Zero angles are those that have a measure of zero degrees or zero radians. The zero angle does not have a unit of measurement. An angle is produced when two angle arms having a common vertex are stacked on top of one another.
As a result, they are equivalent and have a same vertex. Only DCE and BCA are vertical angles among these pairings since they share the vertex at point C and are located across from one another on the lines FJ and IM.
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What does the chromatin determine for the organism?
Chromatin determines the unique traits of an organism. Chromatin allows number of cell processes to occur including DNA replication, transcription, DNA repair, genetic recombination and cell division.
What is the function of chromatin?Chromatin fibers are coiled and condensed to form the chromosomes and it is a genetic material or a macromolecule comprising DNA, RNA, and associated proteins, which constitutes chromosomes in the nucleus of eukaryotic cell. The chromatin is located within cell nucleus. Main functions of this genetic material includes: Preventing DNA damage.
Its functions are to package DNA into smaller volume to fit in cell, strengthen DNA to allow mitosis and meiosis, and serve as mechanism to control expression.
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Answer: It determines the traits of an organism.
Explanation:
Where is digestion completed and the place where the nutrients are absorbed?
The nutrients digested are absorbed into the circulation via the lining of the small intestine. The nutrients are delivered to the rest of the body through the blood.
The digestive system consists of the gastrointestinal tract (also known as the GI tract or digestive tract), as well as the liver, pancreas, and gallbladder. The GI tract is a collection of hollow organs connected by a long, twisting tube that runs from the mouth to the anus.
The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus. The digestive system's solid organs are the liver, pancreas, and gallbladder.
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Which sentence best describes how water affects rocks on the earth's surface?
O It applies pressure to rocks that causes them to metamorphose.
O It keeps sediment contained within its original location.
O It dissolves rock into small pieces and transports it elsewhere.
O It prevents erosion of rocks by protecting them from wind.
Water expands upon freezing. It then serves as a wedge. It gradually enlarges the fissures and splits the rock. By carrying away the minute rock particles lost in the split, liquid water conducts the act of erosion when ice melts.
How does water alter the surface of the Earth?Weathering and erosion brought on by water flow alter the features of the landscape. Localized weather patterns and climate are influenced by complex interactions, with the ocean playing a part. Water's special chemical and physical characteristics have a profound impact on the dynamics of the planet. The ions are carried by water as it dissolves the minerals in rocks. This procedure moves along quite slowly. But over millions of years, water in motion dissolves enormous quantities of rock. Particles of rock and soil are also picked up and carried by moving water.Rocks can dissolve minerals and become weaker over time when water penetrates into their pores and fissures. The process starts afresh when the water returns to the surface and evaporation takes place.To learn more about Earth’s surface, refer to:
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List the layers in order from oldest to youngest
According to the principle of superposition, the oldest sedimentary rock units are at the bottom and the youngest are at the top.
What are sedimentary rocks?
Sedimentary rocks are rocks formed by the accumulation of sediment that is cemented together. These rocks are formed when sediments are compacted and lithified (hardened) by the pressure of overlying material. They are typically composed of layers, or strata, created as a result of deposition of the sediments. Examples of sedimentary rocks include sandstone, limestone, shale, and conglomerate.
The bottom layer of rock forms first, so it is the oldest. Each layer above that is younger, with the top layer being the youngest.
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What are the nurses tasks?
Nurses' tasks involve Evaluating, observing, and talking to the patient, Record patient history and current health details and symptoms, Prepare the patient for examination and treatment. Drug Administration and Treatment.
Registered Nurses (RNs) often wear many hats every day to treat patients. A registered nurse's primary role is to ensure that each patient receives the direct and appropriate care they need, and they do this in a variety of ways.
RNs assess and identify patient needs and implement and oversee patient care planning and treatment. We also ensure that patient care, whether in a hospital or other facility, is conducted in accordance with the employer's policies and standards.
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What part of the nervous system is responsible for blushing?
Answer:
sympathetic the sympathetic Nervous system
Explanation:
Answer:sympathetic nervous system. ✅
Grapes, apples, pears, mangoes, and cucumbers are all ________
fruits.
Grapes, apples, pears, mangoes, and cucumbers are all Culinary fruits.
What are the Culinary fruits?Fruits and vegetables can be classified from both the botanical as well as the culinary standpoint. Botanically, different fruits and vegetables are classified depending on which part of the plant body they come from generally. A fruit is generally developed from the flower of a plant, while the other parts of the plant body are categorized as vegetables.
In the culinary language, a fruit can be sweet or not sweet or even sour tasting which are produced from a specific plant part for e.g., a peach, pear or lemon, nuts are hard, oily, non-sweet plant produce in the shells such as hazelnut, acorn.
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Choose the answer that best matches the word in italics.
When Gerald brought home his rescued dog for the first time, Spot snied around his new domain for hours. bowl
family
toys
territory
Answer
soz but there aren't any italics
what do u mean
What type of membrane protein is a channel protein gated channel protein and carrier protein?
Answer:
transport protein
Explanation:
A transport protein completely spans the membrane, and allows certain molecules or ions to diffuse across the membrane. Channel proteins, gated channel proteins, and carrier proteins are three types of transport proteins that are involved in facilitated diffusion.
Is it crucial that the process of mitosis?
Mitosis is very crucial for life as it is responsible for providing new cells for growth and replacing worn out cells from the body.
Mitosis is a cell division in which two genetically identical are formed as a result of the division in a single mother cell. In the cell cycle, mitosis involves the splitting of DNA in order to produce two equal sets of chromosomes which ensures an equal division of DNA in both the daughter cells that are formed.
The cells that are present in the body get damaged or worn out and they are replaced by mitosis and hence mitosis is very important for repair. Mitosis causes the formation of two daughter cells and hence it provides new cells for the growth of the body.
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In plants that undergo double fertilization, the structure that forms to nourish the seed is called the endosperm. Egg cell. Gamete. Cone.
In flowering plant reproduction, double fertilization occurs when an egg and sperm combine with another sperm and two polar nuclei at the same time, forming the endosperm (the seed's food-storage component).
The definition of double fertilization.In flowering plant reproduction, double fertilization occurs when an egg and sperm combine with another sperm and two polar nuclei at the same time, forming the endosperm (the seed's food-storage component).
What is the name of one egg cell?A single cell that is discharged from one of the female reproductive organs, the ovaries, and is capable of developing into a new organism when fertilized (combined) with a sperm cell is called an ova, or plural ova, in human physiology.
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2. When calculating the recombinant frequency of two genes, what is the most important factor?.
The most important factor when calculating the recombinant frequency of two genes is how close they are to each other.
The process of meiosis leаding to а sepаrаtion of chromosomes, аs well аs crossing over, is necessаry for the understаnding of the process of recombinаtion. In reference to heredity, recombinаtion is defined аs а process thаt results in gаmetes with combinаtions of аlleles thаt were not present in the gаmetes from the pаrentаl generation.
Recombinаtion frequency (RF) is а cаlculаtion to define the number of pаrentаl аnd recombinаnt gаmetes. The equаtion is аs follows:
Recombinаtion frequency = (No. recombinаnt progeny/Totаl no. of progeny) x 100%
Your question is incomplete, but most probably your full options were
A. how close they are to each other
B. how close they are to the end of the chromosome
C. whether they are on the X or Y chromosome
D. which one is higher on the chromosome
Thus, the correct answer is A.
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What organelle isolates chlorophyll and other pigments?
Plastids is your answer
Which evidence suggests that volcanic activity was more common in earth's history than it is today?
O Volcanic rock samples are found throughout earth's rock record.
O The early rock record contains layers of volcanic rock and minerals.
O. There are fewer fossils in the early rock record than more recent layers.
O Fossils of early life show adaptations for surviving volcanic eruptions.