Answer: Interphase
Explanation:
During interphase, the cell undergoes normal growth processes while also preparing for cell division. It is the longest phase of the cell cycle, cell spends approximately 90% of its time in this phase.
How many bacteria are there after 24 hours?
Answer:
The bacterium doubles every half hour. One hour has two half hours. Thus, 24 hours have 48 half hours. Thus the number of bacteria in the community after 24 hours is 248 .
Explanation:
a thermos may be thought of as a glass bottle within another, which are joined (sealed) together at the top. the space between the bottles may be evacuated, and the surface of the inner bottle may be silvered (coated with reflective material).what heat transfer mechanisms, if any would be inhibited by (a) a silvered, evacuated thermos? (b) a clear thermos, not evacuated? (c) a clear, evacuated thermos? (d) a silvered thermos only?
b. No transfer,C. Mainly convection and small amount of convection,D. Silvering precent radiative hear transfer.
In a thermos, what form of transfer of thermal energy takes place?In a thermos flask, heat is transferred through conduction, convection, and radiation.And the minimal heat transfer in a thermos is caused by these three events.
Does a thermos represent conduction?We are aware of three ways in which heat can move from one location to another: conduction, convection, and radiation.Each of these processes cannot transfer heat through the thermos flask.The flask is composed of glass, which conducts heat poorly.Thus, heat does not transfer through conduction.
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a process in which recipient cells acquire genes from free dna molecules in the surrounding medium is called group of answer choices
A process in which recipient cells acquire genes from free DNA molecules in the surrounding medium is called Transformation.
Change is the cycle by which beneficiary cells obtain qualities from free DNA atoms in the encompassing medium. Bacteria transfer genetic material in a variety of ways, with the bacteria either transferring the gene from the donor to the receiver via adjacent cells, a plasmid, or uptaking a gene from the surrounding cells.
Transformation is the process of removing a gene from its environment. The genetic material may adhere open in the media because the surrounding bacteria may die. The bacteria acquire this genetic material during transformation, resulting in gene transfer.
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(complete question)
a process in which recipient cells acquire genes from free dna molecules in the surrounding medium is called group of answer choices
Conjugation
Transformation
Transduction
in rabbits, full coat color (c) is the dominant trait. a second allele, chinchilla (cch) is recessive to full coat color. himalayan coat color (ch) is recessive to chinchilla and full coat colors, and albino (c) is recessive to all coat colors. if two chinchilla rabbits mate, what coat color is not possible in their offspring?
Full coat color is not possible in their offspring.
Which genotypes of rabbits with chinchilla coat colors are there in total?The coat color of a rabbit is determined by four alleles: albino, agouti, chinchilla, and Himalayan.The dominance hierarchy is C > cch > ch > c.There is a cross between an agouti rabbit as well as a chinchilla rabbit (cchc).
How might you explain the numerous alleles that affect rabbit coat color?Rabbits inherit their coat color through a combination of different alleles.This implies that a gene may have more alleles than just two.There are 4 alleles involved in the rabbit's coat color, and each one has a unique phenotypic.
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In what ways does sexual reproduction differs from asexual one state at least three reasons?
Sexual reproduction is the process of creating a new organism from the combination of genetic material from two parents. Asexual reproduction is the process of creating a new organism from a single parent which can be either an animal or a plant.
Although both processes are used to reproduce, there are some key differences between the two. One key difference between sexual and asexual reproduction is the way in which genetic diversity is created. Sexual reproduction involves the combination of two parent’s genetic material, which creates a new combination of genes, or alleles, in the offspring. Another difference between the two processes is the number of parents involved. Sexual reproduction requires two parents, while asexual reproduction requires only one parent. Finally, the amount of time required for each process is different. Sexual reproduction usually takes longer than asexual reproduction as it requires two parents.
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a cell producing monoclonal antibodies a. is constructed using mouse t ,cells b.would be specific to multiple antigens c. is a combination of a cancerous b cell and normal antibody-producing b cell d. all the above
The correct answer is: (d) all the above. A cell producing monoclonal antibodies is a type of cell that is specifically designed to produce a single type of antibody.
These cells are typically constructed using the mouse or human B cells that have been genetically modified to produce a specific type of antibody. These cells are often used in research and medical settings to produce large quantities of a specific type of antibody for various purposes, such as identifying and purifying proteins or studying the immune response to specific antigens.
Monoclonal antibodies are specific to a single antigen, meaning that they are designed to recognize and bind to a specific protein or another molecule. This allows them to be used to specifically target and identify specific proteins or other molecules in a sample.
In some cases, monoclonal antibodies are produced using a combination of a cancerous B cell and a normal antibody-producing B cell. This is done by fusing the two cells together, which results in a cell that has the ability to produce large quantities of a specific type of antibody.
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What are 3 ways that biology is important in your life?
The primary focus of biology research is life, first and foremost. Second, it offers a comprehensive, scientific explanation of how all living and nonliving organisms interact with one another. Thirdly, it reveals the diversity of life forms.
How does biology impact daily life?It offers knowledge about numerous life forms. Additionally, the study of the human body and surroundings, the ecology, and other topics related to life's sustainability are included in biology.
How can biology improve my life?In addition to highlighting the hazards of things like drugs, biology explores the wonders of life, such as childbirth. The human body, its activities, and ways to safeguard it are all covered in great detail in biology.
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What is the difference between arteriosclerosis and Arteriolosclerosis?
Arteriosclerosis is the result of the accumulation of lipids, cholesterol, and other materials in and on the arterial walls. a buildup of cholesterol plaque in the artery walls that prevents blood flow. Arteriolosclerosis is the term used to describe the thickening of arterioles, especially when it is related to systemic arterial hypertension.
When the arteries—the blood channels that transport oxygen and nutrients from the heart to the rest of the body—become thick and stiff, blood flow to the organs and tissues may occasionally be restricted. This condition is known as arteriosclerosis. Flexible and elastic arteries indicate good health. However, the artery walls can stiffen over time, a phenomenon known as arterial hardening.
The term "arteriolosclerosis" refers to the histologic alterations that are frequently observed in the aged brain's deep penetrating tiny arteries, such as intimal degradation, smooth muscle degeneration, and fibrohyalinotic thickening of arterioles with subsequent narrowing of the arterial lumen.
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What kind of relationship do Snowball and Napoleon have?
Snowball and Napoleon have a contentious type of relationship.
What is a contentious relationship?
A contentious relationship is a relationship characterized by frequent disagreement and conflict. It is a relationship in which the parties involved have different views, opinions, and beliefs, and are unable to reach a mutually satisfactory agreement.
Initially, they work together to establish Animal Farm and develop its rules, but soon begin to differ in opinions. Snowball is more focused on improving the farm and improving the lives of the animals, while Napoleon is more concerned with gaining power. Eventually, these differences lead to open conflict, which Napoleon wins by exiling Snowball from the farm.
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What characteristics make former legislators effective lobbyists?
Lobbyists are intimately familiar with the government process. They are frequently close to or friendly with other legislators.
Lobbying, persuasion, or interest representation in politics refers to the legal act of attempting to influence the actions, policies, or decisions of government officials, most commonly legislators or members of regulatory agencies.
Lobbyists are professional advocates who work on behalf of individuals and organizations to influence political decisions. This advocacy could result in the introduction of new legislation or the modification of existing laws and regulations.
Lobbying takes many forms depending on the issues for which organized interests work and who they try to influence. Berry (1977) classified lobbying into three types: direct lobbying, grassroots lobbying, and electoral lobbying.
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Collect information about the various methods of irrigation followed. Categorise them into conventional and modern methods. Which method you like the most and and why?
Irrigation methods vary; some are traditional, such as using wells or ponds, while others are modern, such as automated sprinklers, etc., that reduce the water loss during the irrigation process.
What is the role of irrigation in agriculture?Agriculture is important for the survival of the population, and there are different types of foods that are cultivated in different regions of the earth. To maintain the soil fertility, a proper irrigation system should be managed, and there are many modern systems, such as the automated sprinkler, that maintain both the water loss and the cultivation.
Hence, irrigation methods vary; some are traditional, such as using wells or ponds, while others are modern, such as automated sprinklers, etc., that reduce the water loss during the irrigation process.
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Organ or tissue affected in cardiomyopathy (Describe the pathology in detail)
Answer:
Read carefully below
Explanation:
Cardiomyopathy is a general term that refers to a group of diseases that affect the heart muscle. The heart muscle becomes damaged or weakened, leading to problems with the heart's ability to pump blood effectively. There are several different types of cardiomyopathy, including dilated cardiomyopathy, hypertrophic cardiomyopathy, and restrictive cardiomyopathy.
In dilated cardiomyopathy, the heart muscle becomes weakened and stretched, causing the heart chamber to enlarge. This can lead to a decrease in the heart's ability to pump blood effectively.
Hypertrophic cardiomyopathy is characterized by thickening of the heart muscle, particularly in the left ventricle. This can lead to problems with blood flow through the heart and can cause the heart to work harder to pump blood.
Restrictive cardiomyopathy is characterized by stiffness of the heart muscle, which can lead to problems with the heart's ability to fill with blood.
Regardless of the type of cardiomyopathy, the underlying pathology is a problem with the heart muscle that leads to problems with the heart's ability to function effectively. This can cause symptoms such as shortness of breath, fatigue, and swelling in the legs and ankles, and it can also increase the risk of complications such as heart failure and arrhythmias. Treatment for cardiomyopathy may include medications, lifestyle changes, and in some cases, surgery or other medical procedures.
In cardiomyopathy, the muscle of the heart becomes hard, and it makes it difficult to pump blood.
What is cardiomyopathy?An umbrella term for a variety of illnesses that damage the heart muscle is cardiomyopathy. The heart's ability to adequately pump blood is hampered when the heart muscle is weaker or injured. Cardiomyopathy can be classified as dilated cardiomyopathy, hypertrophic cardiomyopathy, or restricted cardiomyopathy.
The heart muscle weakens and stretches in dilated cardiomyopathy, which causes the heart chamber to enlarge. The heart's capacity to properly pump blood may suffer as a result.
The left ventricle in particular experiences thickening of the heart muscle in hypertrophic cardiomyopathy.
Therefore, cardiomyopathy causes the heart's muscles to harden, which makes blood pumping challenges.
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How do silent missense and nonsense mutations differ?
When a mutation occurs in a protein coding region it may have several effects. Nucleotide substitutions may lead to no change in the protein sequence (known as silent mutations), change the amino acid sequence (known as missense mutations), or create a stop codon (known as a nonsense mutation).
A silent mutation is unnoticeable, whereas a nonsense mutation will produce a protein which is much different than the original. This is because a nonsense mutation introduces a codon which is completely different than the one before, possibly stopping the protein synthesis short.
A change in a single amino acid that results from a point mutation in the DNA sequence. Nonsense codons (nonsense mutations): The conversion of a codon from one that encodes an amino acid to one that acts as a stop codon due to a point mutation in the DNA sequence.
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Inside an active mitochondrion, most electrons follow which pathway?
a. glycolysis, NADH, oxidative phosphorylation, ATP, oxygen
b. citric acid cycle, FADH2, electron transport chain, ATP
c. electron transport chain, citric acid cycle, ATP, oxygen
d. pyruvate, citric acid cycle, ATP, NADH, oxygen
e. citric acid cycle, NADH, electron transport chain, oxygen
The majority of electrons in an active mitochondrion travel through which pathway: citric acid cycle, Nadph, aerobic respiration, and oxygen.
Unattached or attached to an atom, an electron is a negatively charged elementary particle (not bound). One of the three main types of atoms inside an atom, along with protons and neutrons, is indeed an electron that is linked to the atom. An atom's nucleus is made up of electrons, protons, and neutrons. The exterior of the nucleus is surrounded by negatively charged electrons in orbit. It can be challenging for scientists to monitor them since they rotate so quickly. They are the littlest particles in a particle and can fit 1 million of them into a central particle. People are drawn to the protons' positive charge.
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How many phenotypes are possible with 6 genes?
Answer: the correct option is 21.
Explanation:
Lipids like those in butter can be broken down into the simple substances that make them up called.
Draw a diagram of the nitrogen cycle with labels describing the metabolic processes. Give examples of bacteria that carry out each of these metablic processes.
Nitrogen Cycle is a biogeochemical process through which nitrogen is converted into many forms, consecutively passing from the atmosphere to the soil to organism and back into the atmosphere.
Nitrogen cycle involves 2 main processes Nitrogen fixation and Nitrification:
1.Nitrogen fixation-
Nitrogen fixation is the process of converting the atmospheric nitrogen (N2) into biological state nitrogen. It is the first process of making nitrogen available for plants. It is defined as an anaerobic (without oxygen) process that catalyzes the reduction of atmospheric nitrogen (N2) into ammonia (NH3).
An example of a nitrogen fixer is the Rhizobium bacteria in the roots of legumes (soybeans, peas or clovers).
2. Nitrification-
Nitrification is the process where the ammonium ions (NH4) are converted into nitrides, first into nitrites (NO2–) then into nitrate (NO3–). Still, this process is done by the nitrogen-fixing bacteria. The first step is the oxidation of ammonia to nitrate, done by microbes termed as ammonia-oxidizers.
The participating bacteria here are termed as nitrogen-oxidizing bacteria and they include nitrococcus, nitrobacters, and nitrosomonas.
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List the factors that can effect the rate of photosynthesis
Answer:
The factors that can effect the rate of photosynthesis are as follows:
carbon dioxide concentration
light intensity
temperature
water
sunlight
chlorophyll
What does a standard deviation of 2.0 mean?
Answer:
It is a measure of how far each observed value is from the mean. In any distribution, about 95% of values will be within 2 standard deviations of the mean
What has no endoplasmic reticulum?
Endoplasmic reticulum is absent in mature RBCs. The endoplasmic reticulum is not found in red blood cells, or spermatozoa.
In adult RBCs, the endoplasmic reticulum is missing. The outer nuclear membrane and the ER's walls are one and the same. Spermatogenesis and red blood cells do not contain the endoplasmic reticulum. Rough endoplasmic reticulum (RER), an organelle with a continuous membrane found in the cytoplasm of eukaryotic cells and necessary for protein synthesis, is a network of linked flattened sacs. Both plant and animal cells contain both rough and smooth ER. Mammalian mature red blood cells circulate in the body for roughly 100–120 days before being eliminated by the spleen. At erythropoiesis phase three, it starts to lose mitochondria. The absence of the endosome promotes RBC formation by increasing the surface-to-volume ratio.
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why is cellular respiration necessary for living organisms? why is fermentation less effective than respiration? what is the purpose of glycolysis? how many atp molecules are produced in aerobic respiration? how many atp molecules are produced during fermentation and glycolysis?
Explanation:
>cellular respiration allows for organisms to break down molecules in order to release the energy stores in the bonds to generate atp which the cell can then use for it's normal processea
>fermentation produces relatively less energy than respiration because fermentation does not result in the complete oxidation of glucose.
>1 breaks down glucose
2 extract energy for cellular metabolism
3 to provide private for the trichloroacetic. acid(TCA) cycle
4 reduce the curtail by increasing the ratio of NADH
>38 atp molecules
>2 atp molecules
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Q-15. Species is a non-native plant/animal introduced accidentally or intentionally by humans is called
as
a) endangered
c) extinct
b) invasive/ exotic
d) threatened
Q-16.
a) Species
c) Genetic
b) Ecosystem
d) Ecological
biodiversity related to genes
Q-17. Genetic biodiversity covers different varieties of a
a) Different
c) United
b) Equal genes
d) same
Q)15 =b)invasive/ exotic
Q)16=c)Genetic
Q)17=b)Equal genes
endangered means it's being harmed extinct mean that is no longer here on the earth.threatened means that it's like being hunted down and it's exact same thing as endangered and invasive and exotic means that something unique or special and invasive means harmful to something
something that would be related to species would be genetic because genetic means something that has the same genes as a different animal or person
Answer:
Q-15. Species is a non-native plant/animal introduced accidentally or intentionally by humans is called as b) invasive/ exotic
Q-16. Genetic biodiversity related to genes c) Genetic
Q-17. Genetic biodiversity covers different varieties of a d) same
Explanation:
here is an explanation for each of the questions:
Q-15. The term "invasive/exotic" refers to species that are not native to a particular ecosystem, but have been introduced either accidentally or intentionally by humans. These species can cause harm to the native species and the ecosystem by competing for resources, spreading disease, or disrupting the natural balance of the ecosystem.
Q-16. "Genetic biodiversity" refers to the variety of genes within a species or population. It is a measure of the diversity of inherited traits and characteristics within a group of organisms.
Q-17. "Genetic biodiversity" covers different varieties of the same species, meaning it refers to the diversity of genes within a single species. This can include variations in physical traits, behaviors, and adaptations that allow individuals within a species to survive and thrive in different environments.
How do somatic mutations affect an individual's offspring ?
Somatic mutations have an effect on the individual who carries the mutation, however they cannot be transferred on to offspring.
A somatic mutation is any change at the cellular level in somatic tissues that occurs after fertilization. Somatic mutations do not affect the germline and therefore don't pass on to offspring. Somatic mutations are a normal consequence of aging and occur throughout the life cycle of an organism, either unexpectedly as a result of errors in DNA repair mechanisms or as a direct response to stress.
Environmental stressors and errors throughout cellular replication increase the likelihood of Somatic mutations occurring.
Radiation, exposure towards certain chemical compounds, and intracellular processes that generate free radicals are all stressors that can cause cellular damage and Somatic mutations.
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The immune system can function through a generalized defense against pathogens called _____.
The immune system can function through a generalized defense against pathogens called Natural Immunity.
Natural immunity is the response that occurs in our bodies when we come into contact with a germ or a virus, and our bodies produce cells known as antibodies. These antibodies have the ability to "remember" a specific germ in order to detect its presence if it returns to the body.Natural immunity occurs when you are infected by a germ and your immune system responds by producing antibodies against it. You could become ill as a result of the infection. If you are exposed to that germ again, your body's defenses detect it and fight back with antibodies. This reduces your chances of becoming infected again.
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Is a basic structural and functional unit of all forms of life?
Cell is a basic structural and functional unit of all forms of life. Whether it is a complex organism like humans, animals or plants or simple organisms like bacteria, they are all made of cells. Therefore, the cell is the basic level of organization of the organism.
The smallest and most important unit of life is the cell. The cell was discovered in 1665 by Robert Hooke. The cell is described as the most important structural and functional unit in all living things, including bacteria, plants, animals, and humans.
Unicellular organisms are able to live independently and carry out important life functions. Independent life cannot be guaranteed if the cell structure is incomplete.
As a result, the cell is the basic structure and functional unit of all living things. Cells are the most important components of the human body.
For example - red blood cells carry oxygen to the body, and white blood cells are part of the immune system.
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Microscopic, shrimplike animals that have a hard exoskeleton that can be either herbivorous, carnivorous, or parasitic are called:
Copepods are tiny, shrimp-like creatures with a hard exoskeleton that can be either herbivorous, carnivorous, or parasitic.
Copepods, sometimes known as "oar-feet," are a family of microscopic crustaceans that can be found in almost all freshwater and saltwater habitats. Several species have parasitic phases, while others are planktonic (live in sea waters) or benthic (live on the ocean floor). Some continental species may also live in limnoterrestrial habitats and other wet terrestrial places, such as swamps, under leaf fall in wet forests, bogs, springs, ephemeral ponds, and puddles, damp moss, or water-filled recesses (phytotelmata) of plants like Many dwell in freshwater and marine caverns, sinkholes, and stream beds. Copepods are occasionally employed as indicators of biodiversity.
Copepods have a larval stage, just like other types of crustaceans. For copepods, the egg develops into a nauplius form that lacks a proper thorax or abdomen but has a head and a tail. The larva goes through multiple moults before developing into an adult after a few more moults.
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Which of the following is true about density-dependent and density-independent limiting factors?
answer choices
The larger a population, the bigger impact a density-dependent limiting factor will have.
Density-dependent factors include food, water, and space.
Density- independent factors include natural disasters (extreme weather), seasonal changes and pollution.
All of the above are true
The correct statements about density-dependent and density-independent limiting factors are
The larger the population, the bigger impact a density-dependent limiting factor will have.Density-dependent factors include food, water, and space.Density-independent factors include natural disasters (extreme weather), seasonal changes and pollution.Thus, the correct answer is D - All of the above are true.
Populаtion growth limiting fаctors аre divided into two cаtegories: density-dependent аnd density-independent.
Density-dependent limiting fаctors cаuse а populаtion's per cаpitа growth rаte to chаnge—typicаlly, to drop—with increаsing populаtion density. One exаmple is competition for limited food аmong members of а populаtion.Density-independent fаctors аffect per cаpitа growth rаte independent of populаtion density. Density-independent limiting fаctors include nаturаl disаsters, unusuаl weаther, seаsonаl cycles аnd humаn аctivities such аs cutting trees аnd obstructing rivers.For more information about density-independent limiting factors refer to the link:
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concentric rings around the central canal
The central canal known as the osteonic (haversian) canal is surrounded by concentric rings (lamellae) of matrix that make up the osteon.
A single layer of columnar ependymal cells lines the central canal, also known as the spinal foramen or ependymal canal, which runs from the conus medullaris in the lumbar spine to the caudal angle of the fourth ventricle. It depicts a piece of the original neural tube's lumen.
Along the spinal cord's length, there is a hollow tube called the Central Canal. The cerebral spinal fluid, a colourless fluid that surrounds the whole central nervous system as well as different channels and chambers inside the central nervous system, is what fills this route.
Concentric circles are those that share a common centre but have differing radii. It is described as two or more circles with the same centre, in other words. The area between two concentric circles with different radii is known as an annulus.
Complete question:
what is concentric rings around the central canal?
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Label the gametes in the picture below:
Haploid sperm
Haploid egg
Diploid zygote
Labeling the gametes in the picture are shown below:
What are gametes?A gamete is an animal or plant reproductive cell. Animals' male and female gametes are referred to as sperm and ova, respectively. Each ova and sperm cell has one copy of each chromosome, making them haploid cells. A sperm and an ovum combine during fertilisation to create a fresh diploid creature.
Gametes in humans are haploid cells with 23 chromosomes, each of which is one of a chromosomal pair seen in diplod cells. The haploid number, commonly known as n, is used to indicate the number of chromosomes in a single pair.
Haploid sperm and Haploid egg are gametic cells.Diploid zygote are Somatic cells.To know more about gametes refer to:
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transcribe the given dna sequences to mrna. a) dna: 5\'–cgcctag–3\'
The mRNA sequence would be 5'-GCGGAUC-3'
What do you mean by mRNA sequence?mRNAs have three parts: Nucleotides at the 5′ end provide binding sites for proteins that initiate polypeptide synthesis; nucleotides in the middle specify the sequence of amino acids in the polypeptide.
Each group of three bases in mRNA constitutes a codon, and each codon specifies a particular amino acid (hence, it is a triplet code).
The mRNA sequence is thus used as a template to assemble—in order—the chain of amino acids that form a protein. The amino acids specified by each mRNA codon.
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