Answer:
I just know that
A gene - distribution of yellow pigment
B gene- distribution of black pigment
The probable genotype of the yellow-haired rat parent is heterozygous (Yy) and the black-haired rat is likely homozygous recessive (yy). A Punnett square would predict a 1:1 ratio of yellow to black offspring, which is approximated by the actual offspring count. To determine the dominant allele, perform a testcross with a homozygous recessive individual.
The probable genotype of the parents can be inferred from the offspring's phenotype. Since we observe both yellow and black offspring, this suggests incomplete dominance or codominance, if we assume a case of simple Mendelian inheritance. From the given information, it appears yellow coat color is a dominant trait because it is expressed in the offspring. By using a Punnett square, we can see that for a ratio close to 1:1 (45 black to 52 yellow), one parent could be heterozygous yellow (Yy) and the other parent black (yy), assuming yellow is dominant. If yellow were recessive, we'd expect all black offspring if one parent was yy.
To confirm which allele is dominant, you could perform a testcross with a known homozygous recessive individual. If any offspring display the yellow phenotype, the yellow allele is dominant. Keep in mind that in this example, yellow and black coat colors do not strictly conform to complete dominance. In reality, the genetics of coat color can be complex, involving multiple genes and interactions. However, for the purposes of this question, we are assuming simple Mendelian inheritance.
How many electrons are in this atom?
B there is 7 electrons
An atom of nitrogen has (B) seven electrons.
In an atom in neutral state, number of electrons are equal to the number of protons. Since nitrogen has an atomic number of 7, which indicates the number of protons in its nucleus, it also has seven electrons to balance the positive charge of the protons and maintain an overall neutral charge.
Electrons are subatomic particles carrying a negative electrical charge. It is one of the fundamental particles that make up atoms, along with the protons as well as the neutrons. Electrons are a part of the family of elementary particles known as leptons. The movement of electrons within materials is responsible for electrical current flow and the generation of electromagnetic fields.
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What is the function of mitosis in an organism like a human?
Answer:
Its important for reproduction.
Explanation:
As a form of cell division, mitosis is really important because it produces two exact copies of the original cell, and those two daughter cells are used for reproduction.
Answer:
1. genetic consistency. that is ecause all cells formed by mitosis are genetically identical thus they contain the same dna and in each tissue the new cells perform the function that they are responsible for.
2. growth
3.repear
James wants to create a self-sustaining ecosystem, or vivarium. Which method would most likely result in an ecosystem that is viable for the longest amount of time with no additional care?
Answer:
Put soil water many plants and a few insects in a sealed clear plastic aquarium place it in an area with direct sunlight.
Answer:
D. Put soil, water, many plants, and a few insects in a sealed, clear plastic aquarium. Place it in an area with indirect sunlight.
Explanation:
edge 2020
1. What is the depth of the coldest ocean layer?
Answer:
35,797 feet
Explanation:
The deepest point in the ocean is located in the Mariana Trench off the coast of Japan at 35,797 feet (10,911 meters). The temperature of the water is just above freezing, and the pressure is an incredible eight tons per square inch.
What are biotic factors associated with ecosystems?
A) temperature, animals and grass
B) temperature, animals and water
C) animals, grass, and decomposers
D) animals, grass and soil nutrients
if not very sorry i was wrong
Answer:B) temperature, animals and water !
Explanation:
biotic factors are all of the living things in an ecosystem, such as plants and animals. ... These organisms, mostly animals, eat producers and/or other animals. They may also eat decomposers.
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Which of the following is a wheel and axle most closely related to (A) lever (B) wedge (C) pulley (D) inclined plane
Answer:
I wanna say pulley
Explanation:
I say pulley
c is right
Explanation: :()
Which could describe the motion of an object?
Answer:
Distance=10 meters and displacement=10 meters
Explanation:
Did the quiz
When an object is moving, it has a velocity, which includes both speed and direction.
The simplest motion to describe is one-dimensional motion, such as a train on a straight track. Knowing the object's position as a function of time is crucial for understanding its motion.
When an object is moving, it has a velocity. Velocity is the rate of change of the position of an object. It includes both the speed of the object and the direction in which it is moving. In contrast, speed describes only how fast an object is moving, not the direction. For instance, a car traveling north at 60 km/h has a different velocity than the same car traveling south at 60 km/h, even though the speed is the same in both cases. The simplest motion to describe is one-dimensional motion, like a train moving along a straight track. To accurately describe this motion, we need to know the object's position as a function of time, labeled as x(t). Understanding concepts like kinematics is essential for accurately analyzing motion in physics.
Which habitat is known for many species of birds, monkey, snakes, lizards, frogs, and insects
Answer:
Tropical rain forest
Explanation: It supports a wide variety of species than any other biome. It is because it provides continuous water supply, constant warmth and a variety of food for the animals. Small animals like rodents, lizards, birds, snakes, frogs are common in this forest. Tall tress are used as shelter and also as source of food.
The tropical rainforest is the habitat known for a wide range of animals including birds, monkeys, snakes, and insects. This biodiversity-rich environment supports numerous species. The canopy is particularly important for bird species.
The habitat that is known for many species of birds, monkeys, snakes, lizards, frogs, and insects is the tropical rainforest. Tropical rainforests are incredibly biodiverse. They are home to a wide range of animals including numerous insect species, small mammals like bushpigs and bushbucks, and larger mammals such as monkeys and leopards. The canopy of the rainforest provides a perfect habitat for birds such as pigeons, eagles, and the Knysna Loeries.
15. A geologist discovers a sample of fine-grained rock made up of very small crystals. Based on its physical appearance, what can the geologist conclude about the rock?
Answer:
It is an extrusive igneous rock
Explanation:
Based on the physical appearance, the geologist can make an accurate conclusion about the rock's formation and in which type of rocks does it belong. The fine-grains made up of small crystals give away clues about the formation of the rock. Fine grains with small structures occur when the lava reaches the surface and cools off very quickly, thus not giving the crystals enough time to grow, so they are very small. The geologist can classify this rock on base of this information as an igneous rock, as it has been formed from lava, and as an extrusive igneous rock, as the fine grains and small crystals only occur when the lava cools of quickly on the surface.
Answer:
It formed from rock that cooled quickly
Explanation:
B.
What molecule is essential to regenerate at the end of the Krebs cycle to start the process again
Answer:
Oxaloacetate
Explanation:
Throughout the citric acid cycle, in the matrix of the mitochondria, the 4 carbon molecule is transformed (through the addition and removal of carbon atoms) and ultimately regenerated before the beginning of another cycle. During this transformation of oxaloacetate, some intermediate products are of a lower energy level than their predecessors hence making the process energetically favorable. The energy difference is capture is energy molecules such as NADH. FADH₂, and ATP.
What are the weather events related to a occluded front?
Answer: In meteorology, an occluded front is a weather front formed during the process of cyclogenesis, when a cold front overtakes a warm front. When this occurs, the warm air is separated (occluded) from the cyclone center at the Earth's surface. i found this on Wikipedia if u want to find more
Explanation:
which of these bones is part of the axial skeleton
Hello. This question is incomplete. The full question is:
"Which of these bones is part of the axial skeleton
A. Ulna B.fibula C.vertebra D.phalanges "
Answer:
C.vertebra
Explanation:
The axial skeleton is made up of bones that are close to the central axis of the body. In an adult this skeleton is formed by 80 bones that includes bones that form the cranium, the spine, the ribs and the sternum.
It is in the spine that we find the vertebrae. With this we can say that among the bones shown in the question above, the one that is part of the axial skeleton is the vertebra.
In the spine we find the following vertebrae:
Cervical vertebrae Thoracic Vertebrae Lumbar Vertebrae Sacral bone containing five fused vertebrae; The coccyx bone containing four to five vertebrae, also fused.The Axial Skeleton consists of the bones of the head, vertebral column, the rib cage and the sternum. Hence, a bone part of this section would have to be from one these areas.
Explanation:The Axial Skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate. In humans, it consists of 80 bones and includes the skull, vertebral column, rib cage and the sternum. Therefore, if you're considering a bone to be a part of the axial skeleton, it would have to belong to either the head, vertebral column or the rib cage.
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How would seasons on Earth differ if Earth's axis was at a 90 degree angle relative to its orbit?
Seasons on Earth would not be affected.
The entire planet would experience the same season at any given time.
There would be no seasons anywhere on Earth.
It would always be summer at the equators and winter at the poles.
Answer:
There would be no seasons anywhere on Earth
Explanation:
If the Earth's axis was not tilting and it was at a 90 degrees angle relative to its orbit, then the seasons on Earth would disappear. The climate on the planet would be defined by the latitude. The equator and the areas close to it would always have summer, as they will receive direct sunlight throughout all of the year. The mid-latitudes will always have temperate climate, reminding of spring and autumn, as the sunlight will not be very direct, but it will also not be very dispersed, jut enough to create a constantly pleasant climate. The higher latitudes will always have winter, as the sunlight will come at a very low angle throughout all of the year, thus it will be very dispersed, not enough to ever warm this parts enough, so they will constantly be under ice.
Answer:
The entire planet would experience the same season at any given time.
Explanation:
Due to the tilt, some parts of the earth will be tilted towards the earth at a particular point in the orbit while others will be tilted away from the sun. This means the amount of sunlight reaching these points is differential. This also changes dynamically, more pronounced in the poles, as the earth revolves around the sun. Without the tilt, this phenomenon would not be therefore and there would be no changes as the earth revolves around the sun.
Compare and contrast DNA and RNA. After the comparison, describe the entire process of DNA replication. You must include all of the steps. (Ex. Transcription-Translation-and-Replication)
98 points and will give brainliest
Answer:
The steps of DNA replication always begin by separating a twisted strand into two untwisted molecular strands. It happens in the specific area of a chromosome known as the “origins". The origins contain a series of codes that attract the helicase, a protein that aids in the separation of the strands. Once the helicase locates the origins, it sends out signals inside the cell for other replication initiator proteins to help out in the separation. DNA strands are being separated by breaking the hydrogen bonds between the nucleotide base pairs, such as those of adenine (A) and thymine (T), and guanine (G) and cytosine (C).
Step 2: Replication Fork Formation
Splitting the original double helix into two strands visually presents a Y-shaped formation known as the replication fork. Each prong appears as an elongated line that requires an identical half to match in order to form a new pair of strands. One of the separated strands is called the leading strand, which is constantly utilized for DNA synthesis while the lagging strand is responsible for the complimentary strand’s synthesis.
Step 3: Binding of Bases to Each Strand
Both leading strand and lagging strand already has base patterns from the start and it serves as the template for the corresponding strands. For each strand, the bases match with the free floating nucleotides present inside the cell following the nucleotide base pairing rules to establish the hydrogen bonding between a separated strand and a new matching strand. It is made possible by the DNA polymerase, an enzyme that functions like a sewing machine in matching and zipping both strands together.
The replication process does not result to a brand new chain of DNA. It is always a mixture of both the original strand that is conserved as a partner all throughout the continuous steps of DNA replication process and the recently made strand. This process is recognized as the semiconservative replication.
Step 4: The Termination of the Replication Process
The termination process occurs as soon as the DNA polymerase enzyme arrived at the edge of the strands where no more possible replication could occur. But before the process is completed, it goes through the process of repair to correct errors such as mismatching of nucleotides. After this step, the DNA replication is completed.
Explanation:
In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. This process occurs in all living organisms and is the basis for biological inheritance.
Ribonucleic acid (RNA) is a polymeric molecule implicated in various biological roles in coding, decoding, regulation, and expression of genes. RNA and DNA are nucleic acids, and, along with proteins and carbohydrates, constitute the three major macromolecules essential for all known forms of life
which of the following can be considered an ecosystem?
the community of organisms within a desert
an entire desert including abiotic factors
a population of fish in a small lake
the wood of a rotting log
Answer:
an entire desert including abiotic factors
Explanation:
An ecosystem includes all living (biotic) and nonliving (abiotic) factors in an area that interact, therefore an entire desert including abiotic factors can be considered an ecosystem. The living community within a desert, the population of fish in a small lake, and a rotting log are all examples of an ecosystem due to their combined biotic and abiotic components.
Given the options presented in the question, an entire desert including abiotic factors can be considered an ecosystem. This is because the term ecosystem applies to a natural unit consisting of all the living organisms in an area functioning together with the nonliving physical factors of the environment. A community of organisms within a desert or a population of fish in a small lake both represent biotic communities, while the wood of a rotting log can also be classified as an ecosystem due to the interacting species and abiotic factors present.
Arrange the parts of the respiratory tract in a sequence that accurately represents the flow of air after a person inhales.
pharynx
trachea
bronchi
nasal cavity
larynx
Answer
Nasal cavity
Larynx
Pharynx
Trachea
Bronchi
Answer:
Nasal cavity, pharynx, larynx, trachea and bronchi.
Explanation:
Respiration may be defined as the process of the exchange of gases between the external environment, lungs and tissues. Oxygen is inhaled in and carbon dioxide is exhaled out from the body.
The first passage way of oxygen is the nasal cavity. From the nasal cavity, the air is passed to the pharynx. Pharynx is also known as the throat of the body. From the pharynx, the air is passed to the layrnx. Larynx is the voice box. The air is then passed to the trachea or the wind pipe. From the trachea, the air is passed into the lungs that contains the small branches called bronchi. From brochi to the alveoli and finally into the body tissues.
Thus, the answer is nasal cavity, pharynx, larynx, trachea and bronchi.
PLEASE PLEASE I’m really desperate I need a good grade!!answer the question
At one point in time all the continents were connected together called Pangea. Over the years Pangea was separating and making continents and if you put the continents
What is a hominid ?
Answer:
a primate of a family ( Hominidae ) that includes humans and their fossil ancestors and also (in recent systems) at least some of the great apes.
Explanation:
Human-like animals that walked upright were known as hominids. These include great apes for example!
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What is the synthesis of proteins in an animal cell
Answer:
The building blocks of proteins are amino acids. - The sequences of nucleotides/bases in DNA provide a genetic code for the sequence of amino acid connections, which form protein molecules.
Explanation:
Final answer:
Protein synthesis in animal cells is a critical energy-consuming process where ribosomes translate mRNA messages into polypeptide chains that fold into functional proteins. These proteins contribute immensely to cellular structure and function. The process is highly regulated and involves the mRNA template, ribosomes, tRNAs, and enzymatic factors.
Explanation:
Protein synthesis is a crucial process in animal cells that consumes more energy than any other metabolic activity. Proteins are essential for the structure, function, and regulation of the body's tissues and organs, and therefore constitute a significant portion of cellular mass, second only to water. The translation process involves decoding an mRNA message into a polypeptide chain, which eventually folds into a functional protein. This assembly is facilitated by ribosomes, which catalyze the formation of peptide bonds between amino acids, resulting in polypeptide chains that can range in size from around 50 to over 1,000 amino acids. These polypeptides undergo post-translational modifications before becoming fully functional proteins capable of performing a plethora of cellular functions.
The machinery involved in protein synthesis includes not just the mRNA template but also ribosomes, transfer RNA (tRNA), and various enzymatic factors. Each amino acid added to the growing polypeptide chain is selected by tRNA molecules that match the corresponding codon on the mRNA. This ensures that the sequence of the resulting protein is exactly as encoded by the gene. The process is highly regulated at the transcriptional and translational levels, ensuring that proteins are synthesized as needed by the cell.
Why are these fewest species of silversword on hawaii
Answer:
The spiny plant from the volcanic Hawaiian highlands may not survive the ravages of climate change.
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Which of the following should be included in a good conclusion?
A. An interesting anecdote about the experimental procedure
B. An attempt to refute any potential criticism
C. Experimental data that support the conclusion
D. Thoughts about why certain avoidable errors were made
C. Experimental data that support the conclusion
A good conclusion is defined when experimental data support the conclusion of any hypothesis because it does not cause any change in the hypothesis, hence option c is correct.
What is a good conclusion?A conclusion is formed using the information gathered during an investigation and its repeats. The hypothesis may well be supported by the data or not.
After reading the article, the reader is supposed to understand from the conclusion why your research should be important to them. The final paragraph of a research paper, essay, or article that summarizes the whole work is the conclusion.
The conclusion paragraph should repeat your thesis, identify the important points you made in support of it throughout the paper, and provide your evaluation of the main concept.
Therefore experimental data support the hypothesis and lead to a good conclusion, hence option c is correct.
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Which pair of minerals play a key role in heart function, muscle function, and nerve impulse?
A. Sodium and calcium
B. Calcium and potassium
C. Iron and calcium
D. Sodium and potassium
Answer: Sodium and potassium
Explanation: The process by which the sodium and potassium ions moves across the membrane to generate the membrane potential which helps in the signal transduction.
This process is important for a variety of reasons, the movement of ions across membranes generates membrane potential which helps in the transmitting the signals for the relaxation of the muscles which includes heart muscle and muscles of various parts pf the body.
It maintains a balance in the body and if there is any problem in the muscles or cardiac contractions sodium potassium pump is responsible for it.
What is the anion found in phosphoric acid?
A. PO3-
B. PO,3-
C. PO 3-
D. PO 3-
PO4 -3 is actually the answer
Answer:
Phosphate ion[tex]PO_4^{3-}[/tex] is the anion found in phosphoric acid
Explanation:
The formula of phosphoric acid is[tex]H_3PO_4[/tex].It is is a weak acid.
It is formed by three molecules of hydrogen atoms combine with one molecule of phosphate ion.
The molecular formula of phosphate ion is [tex]PO_4^{3-}[/tex]
[tex]3H^++PO_4^{3-}\rightarrow H_3PO_4[/tex]
Phosphate ion is the anion found in phosphoric acid
does a horse and dolphin have the most shared derived characteristics?
Answer:
no
Explanation:
because there Gene's are totally diffrent
Final answer:
Phylogenetic trees show that dolphins do not share the most derived characteristics with horses. Instead, they have a common ancestry with even-toed ungulates. The similar body shapes between dolphins and fish are an example of analogous traits due to convergent evolution.
Explanation:
In biology, phylogenetic trees are used to show the evolutionary relationships between different species. These relationships are determined through various evolutionary characteristics which can either be shared or derived. Regarding the relationship among different animals, let's address the questions raised by examining their evolutionary traits.
When considering the evolution of cetaceans, which includes dolphins, we observe that they have derived from even-toed ungulates and share a common ancestry with several other mammals including the hippopotamus, cow, sheep, camel, and pig. This common ancestry indicates that a horse, which is also an ungulate, is not the closest relative to a dolphin within this context. An armadillo would not fall on the same branch of the phylogenetic tree close to horses or cetaceans.
Comparing DNA sequences among animals, a whale would share more sequences with a horse than with a shark because whales and horses are both mammals; whereas, sharks are fish with a very different evolutionary history. Lastly, the similar body shape observed between dolphins and fish is an example of an analogous trait, since dolphins are mammals and fish are not, their similar body shapes have evolved independently due to convergent evolution within similar environments.
Which step of scientific inquiry involves organizing and interpreting the data?
a. Experimentation
b. Analysis
Conclusion
d. Hypothesis
Please select the best answer from the choices provided
0000
Answer:
Analysis
Explanation:
This is the process of analyzing and organizing data in tables, graphs, etc. A. experimentation is wrong because it is testing your hypothesis. You take data from experimentation. D. hypothesis is wrong because a hypothesis means thinking of what you THINK will happen in your experiment using an if, then statement. hope this helped!
Explain how carbon cycles between living and non living things
Answer:
it is burned by fossil fules (non-living parts) then the trees soak it up and plants then the animals eat it (living part).
Explanation:
The carbon cycle involves moving carbon among living and nonliving entities. It involves a biological cycle where carbon moves between plants and animals through photosynthesis, consumption, and respiration, and a slower biogeochemical cycle where carbon gets stored in various carbon reservoirs like atmosphere, oceans, soil, rocks, and earth's interior.
Explanation:The carbon cycle is a key part of our planet's biosphere that involves the movement of carbon among living and nonliving parts of the world. It's essentially divided into two interconnected sub-cycles: the biological carbon cycle and the biogeochemical carbon cycle.
In the biological carbon cycle, living organisms are deeply connected in this process. Carbon moves between autotrophs and heterotrophs via atmospheric carbon dioxide. Autotrophs use energy from the sun to convert carbon dioxide into glucose, a high-energy compound. This process also produces oxygen as a byproduct, which then enters the atmosphere. On the other hand, heterotrophs, including most animals, consume these high-energy compounds, releasing the carbon back into the atmosphere as carbon dioxide through respiration.
Next, in the biogeochemical carbon cycle, the movement of carbon through the land, water, and air is more complex and occurs much more slowly. Carbon is stored for long periods in carbon reservoirs such as the atmosphere, oceans, soil, rocks, and Earth's interior, creating a constant exchange of carbon among different components of the environment.
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Which is not an ocean resource?
Answer:
plastics
Explanation:
ocean is the most valueable resources from the earth .At least even somenon ocean resources vegetables are also related to ocean. Most of fish are also related to ocean.
But as my thought plastics are the
Hello. This question is incomplete. The full question is:
"Which of the following is not an ocean resource
a- sand b- common table salt c- natural gas d- silver"
Answer:
d- silver
Explanation:
Silver is not an oceanic resource, but a mineral, a metal, a chemical element that can be found on the Earth's surface. As silver is a mineral, we cannot call it an oceanic resource, but rather a mineral resource.
A mineral resource is an inorganic substance, such as silver. There are other mineral resources such as iron, aluminum, manganese, sulfur, among others.
Is this individual male or female? How can you tell?
In biological terms, the sex of an individual is primarily determined by the X and Y chromosomes in mammals, with XX indicating a female and XY indicating a male. However, in some species, sex can change during one's lifetime. Gender identity can differ from biological sex, acknowledging the spectrum beyond male and female.
Explanation:The determination of whether an individual is male or female can largely be based on the X and Y chromosomes in mammals. Individuals homozygous for X (XX) are female and heterozygous individuals (XY) are male. The presence of a Y chromosome instigates the development of male traits and its absence results in female characteristics. This XY system is found in some insects and plants as well. However, it is important to remember that people often use the terms 'male' and 'female' to describe both our biological sex and our gender identity. For some, gender identity might be different from their biological sex or the sex they were assigned at birth. In these explanations, 'female' and 'male' refer strictly to biological sexes.
Furthermore, some species can change sex during their lifetime, alternating between male and female; this is known as protogyny (female first) or protandry (male first). Also, some creatures, such as certain types of snails, are hermaphrodites. When two individuals mate, they both can produce eggs, exhibiting characteristics of both sexes.
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A forest fire destroys an area A small population of trees and a large population of birds are both affected. Which type of
limiting factor causes this?
Odensity dependent
Odensity independent
population dependent
population independent
Save and Exit
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Next
Merke this and retum
Submit
Submit
Answer:
Density independent.
Explanation:
Density independent factors refer to the limiting factors that affect the population is the same way regardless of the size of the population. It could be natural disasters, unusual weather and human activities such as clear cutting forests.
Answer:
Density independent
Explanation:
The limiting factor shown in the question above is independent of deity.
The term density-independent limiting factor is used in ecology, along with the deity-dependent factor to describe growth-limiting factors in a population. When a factor causes changes in the birth and death rates of a population it means that it is a density dependent factor, since it interferes with the population density.
However, when population mortality and birth rates are modified without changing the size of the population, the density of that population is not modified and this is an density independent factor.
Three bases found on mRNA are called a?
Answer: Codons
Explanation:
The mRNA bases are grouped into sets of three, called codons. UAG is amber, UGA is opal (sometimes also called umber), and UAA is ochre. Stop codons are also called "termination" or "nonsense" codons.
Three bases found on mRNA, referred to as a codon, correspond to a particular amino acid, encoding the genetic information that is translated into a protein sequence.
Explanation:Three bases found on mRNA are indeed referred to as a codon. The cellular process of transcription generates a strand of messenger RNA (mRNA), a copy of one or more genes within the DNA. This copy is composed of sequences, A, C, G, and U (uracil). Each triplet of bases, or codon, on the mRNA corresponds to a particular amino acid. In other words, the genetic code is a series of codons, and this code is translated into a protein sequence through the process of translation.
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