The type of codon that would lead to the placement of a specific amino acid, such as leucine, into the polypeptide sequence is the "anticodon."
Anticodons are the set of three nucleotides located at the base of a tRNA (transfer RNA) molecule that are complementary to the mRNA (messenger RNA) codons, allowing the correct amino acid to be placed into the polypeptide chain's correct position.
Codons are the sequence of three nucleotides in a strand of mRNA (messenger RNA) that code for a specific amino acid. Amino acids, on the other hand, are the building blocks of proteins; these proteins are created by combining a chain of amino acids with peptide bonds.
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Which of the following is the appropriate sequence for classically conditioning an eyeblink response to an auditory stimulus?
a. deliver a puff of air to the eyelid, sound the tone
b. sound the tone, deliver a puff of air to the eyelid
c. follow the eyeblink response with a mild shock
d. follow the eyeblink response with a soft drink
The appropriate sequence for classically conditioning an eyeblink response to an auditory stimulus is to sound the tone, then deliver a puff of air to the eyelid.
What is classical conditioning? Classical conditioning is a type of learning where a new stimulus is associated with a previously unconnected stimulus. The most well-known example is Ivan Pavlov's experiments on dogs, in which he demonstrated how the sound of a bell could become associated with the act of eating, causing the dogs to salivate.
What is an auditory stimulus? An auditory stimulus is one that is heard, rather than seen, felt, or smelled. In the case of Pavlov's experiments, the sound of the bell was the auditory stimulus.
So in the given question, the appropriate sequence for classically conditioning an eyeblink response to an auditory stimulus is to sound the tone, then deliver a puff of air to the eyelid.
So, the correct answer is option B, sound the tone, deliver a puff of air to the eyelid.
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heterozygous geneotype codes for a blending of phenotypes in _______ inheritance.
Heterozygous genotype codes for a blending of phenotypes in incomplete dominance inheritance. In incomplete dominance, one allele is not completely dominant over the other. This results in a phenotype that is a blend of the two alleles.
For example, if the dominant allele codes for a red flower and the recessive allele codes for a white flower, then the heterozygous geneotype would result in a pink flower. In incomplete dominance, the phenotype of the offspring is neither the same as the phenotype of the dominant parent nor the phenotype of the recessive parent. Instead, the offspring's phenotype is a blend of the two. The genotype of the offspring is heterozygous, meaning it contains two different alleles, one from each parent.
Incomplete dominance is different from codominance, which results in two phenotypes present in the same individual. An example of codominance is the red and white stripes of a zebra, in which both the red and white alleles are expressed. Inheritance patterns such as incomplete dominance, codominance, and multiple alleles all have one thing in common - they result in the expression of more than one phenotype from the same gene.
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which element is important in directly triggering contraction?
The element important in directly triggering contraction is calcium.
Contraction is the process of muscle tightening and shortening which enable an individual to perform any activity or movement. Any movement of the body is associated with muscle contraction. The contraction occurs due to the generation of signals due to action potential.
Calcium is one of the most important element associated with the contraction, It is released from the cell's storage when the action potential occurs. The role of calcium ions is to trigger the movement proteins of the muscles called actin and myosin and mediate their sliding action over each other.
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Notice that a couple of things are different from the previous charts. Firstly, the derived traits and species name have switched axis. Secondly, you will see that in this chart there are derived traits that have evolved independently in different organisms. Use the principle of maximum parsimony to make a draft of the cladogram. The theory of maximum parsimony states that the simplest explanation consistent with the data should be examined first. The most parsimonious trees require the fewest evolutionary events. Construct your own cladogram using the information from the chart as a guide.
Derived Trait 1 2 4 6. 7 8. Lamprey Salmon 1 1 Tuna 1 1 1 1 Mackerel 1 1 Trout 1 1 1 1 Halibut 1 1 1 1 1 Mahi Mahi 1 1 1 1 1 1 1 Construct vour cladogram in the space below: Species 3.
The most parsimonious tree requires three evolutionary events: first the split between Lamprey and the other species, then the split between the Salmon, Tuna, and the Mackerel, and then the split between the Trout, Halibut, and Mahi Mahi.
Evolutionary is a term that refers to the process of change over time. It is based on the scientific theory of natural selection, which states that organisms that are better adapted to their environment will survive and reproduce at a higher rate than those that are not. Evolutionary change can occur over a short period of time (microevolution) or a long period of time (macroevolution).
This tree shows the evolutionary relationships between the species based on the shared derived traits.
Lamprey
|
Salmon
_________________
| |
Tuna _______________ Trout
| |
Mackerel _________ Halibut
|
Mahi Mahi
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The chart lists organisms in five different categories living near the Texas Gulf Coast.Based on the chart, which food chain best models a flow of energy in this ecosystem?Sun > Mosquitoes > Shrimp >CoyotesSun > Algae > Shrimp > Red drumSun > Pygmy sunfish > Shrimp > Wood ducksSun > Willow oaks > Algae > River otters
The food chain that best models a flow of energy in the ecosystem near the Texas Gulf Coast is Sun > Algae > Shrimp > Red drum.
What is a food chain? A food chain is a series of organisms in which one organism is eaten by another, which, in turn, is eaten by another, and so on. Energy is transferred from one organism to another in a food chain. This energy transfer is unidirectional and hierarchical, with each organism occupying a specific trophic level in the food chain.
The food chain of the Texas Gulf Coast ecosystem is as follows: Sun > Algae > Shrimp > Red drum.
Sunlight is the primary source of energy for all living organisms on Earth. Algae, the first link in the food chain, is a primary producer. It transforms the sun's energy into organic matter via photosynthesis. Shrimp are primary consumers that eat algae. Red drum is a secondary consumer that feeds on shrimp.
As a result, the energy flows from the sun to the producers, then to the primary consumers, and finally to the secondary consumers. The food chain's top carnivore is a red drum in this ecosystem. Hence, the food chain that best models a flow of energy in the ecosystem near the Texas Gulf Coast is Sun > Algae > Shrimp > Red drum.
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there are 61 codons that each specify the addition of a specific amino acid, and 3 stop codons for which there is no corresponding amino acid. however, there are only about 40 trna molecules, representing 40 anticodons. how is that possible?
There are only about 40 tRNA molecules that represent 40 anticodons but there are 61 codons that each specify the addition of a specific amino acid.
How is that possible?It is possible that different tRNA molecules with different anticodons can recognize and bind to the same codon. As a result, a single tRNA molecule can be used to read multiple codons that all specify the same amino acid. The wobbling or degeneracy of the genetic code makes it possible for multiple codons to encode the same amino acid, allowing for fewer tRNAs to be utilized.
To provide an example, there are 4 codons that specify the amino acid alanine (GCN, GCU, GCC, and GCA), but only two tRNA molecules with the anticodon 5′-CGA-3′ are needed to bind all four codons because the third position of the codon can wobble to bind the G or the A base. This saves the cell's energy and resources while also simplifying the transcription and translation processes.
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assuming a penalty of 1 for a mismatch and a penalty of 2 for a gap, use the dynamic programming algorithm to find an optimal alignment of the following sequences:
CCGGGTTACCA
GGAGTTCA
The dynamic programming algorithm, optimal alignment has a penalty of 3, with 1 mismatch (G/A) and 2 gaps of these two sequences as follows:
CCGGGTTACCA
| | | |
GG-AGTTCA-
Dynamic programming is a method that is used for solving complex problems in which we break down the problem into smaller subproblems to solve it. This approach is used in bioinformatics to align two DNA or protein sequences. The dynamic programming algorithm is a widely used algorithm to find the best possible alignment of two sequences.
The following sequences have to be aligned using the dynamic programming algorithm:
CCGGGTTACCA
GGAGTTCA
Here are the steps to find the optimal alignment:
Step 1: Creating a grid
We create a 2-D grid of (n + 1) rows and (m + 1) columns, where n is the length of the first sequence, and m is the length of the second sequence.
Step 2: Fill in the values
We fill in the grid using the following rules:
The value in the top-left corner is 0.
The value in the first row and the first column is obtained by adding the gap penalty to the value to its left or above.
The values in the remaining cells are obtained by taking the minimum of the three values: the value to the left plus the gap penalty, the value above plus the gap penalty, and the value diagonally to the top left plus the match/mismatch penalty.
Step 3: Traceback
We start from the bottom-right corner of the grid and move upwards towards the top-left corner while building the alignment of the sequences. We follow the arrows in the grid and add the symbols corresponding to the directions.
So, the optimal alignment of the sequences is:
CCGGGTTACCA
| | | |
GG-AGTTCA-
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At the conclusion of meiosis in plants the end products are always four haploid A) spores. B) eggs. C) sperm. D) seeds. E) gametes.
The final results of meiosis in plants are invariably four haploid spores. Cell division known as meiosis takes place in sexually reproducing organisms, such as plants.
A diploid cell divides twice during the meiotic process to create four haploid cells. The haploid cells created by meiosis in plants are known as spores.
These spores are produced within specialized structures called sporangia, which are found in the reproductive organs of the plant. Each spore has the potential to develop into a new individual plant under favorable conditions.
The production of spores through meiosis in plants is crucial for their reproductive success, as it allows for genetic diversity and the creation of offspring with unique combinations of traits. In contrast, the production of eggs and sperm (gametes) occurs through a different process called gametogenesis, which takes place in the reproductive organs of the plant.
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Which of the following is used to ensure patency of the ureters or allow for drainage of urine from the kidneys? A. Foley catheter. B. Suprapubic catheter
The catheter which is used to ensure patency of the ureters or allow for drainage of urine from the kidneys is known as a Foley catheter.
Foley catheter is a thin, sterile tube that is passed through the urethra and into the bladder to collect urine or measure urine output. A Foley catheter is also known as an indwelling urinary catheter, it is used to ensure the patency of the ureters or allow for the drainage of urine from the kidneys. The Foley catheter is a soft, flexible tube that is inserted through the urethra into the bladder to help with urine drainage. It is composed of a balloon that inflates inside the bladder to hold it in place.
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How do i graph this as a natural selection graph????
Answer:
in the earthworm body plan, the digestive system can be described as a tube-within-a-tube. where would you expect to find most of the tissues that developed from endoderm?
In the earthworm body plan, the digestive system is indeed a tube-within-a-tube, which means that there are two concentric tubes or layers within the body.
The digestive tract, which extends from the mouth to the anus, is the digestive system's inner tube, and the body wall is its outer tube.
The endoderm is one of the three basic germ layers that give rise to the numerous bodily tissues and organs during embryonic development. The digestive tract's lining and its accompanying organs, including the liver, pancreas, and respiratory system, are produced by the endoderm. Hence, we would anticipate that the digestive system, which is the inner tube of the earthworm body plan, would include the majority of the tissues that evolved from endoderm. Particularly, the endoderm is the source of the lining of the earthworm's digestive tract, which includes the pharynx, esophagus, crop, gizzard, intestine, and anus.
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actually, sherman, there are more black moths than white ones because . . .
There are more black moths than white ones because it was better camouflaged against darkened trees that were covered in soot and other pollutants.
As a consequence, the black moths were more likely to live and pass on their genes to their offspring, increasing the population's prevalence of the dark form.
The reverse is true for industrial melanism in peppered moths: during the industrial revolution, the dark form of peppered moths became more prevalent in polluted areas.
However, in unpolluted areas, the white peppered moth was more prevalent because it blended in better with the light-colored bark of trees. As a result, the relative frequencies of the two types of peppered moth were affected by the amount of pollution in the environment.
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what are the functions of the lower respiratory system? check all that apply. to move oxygen to the cells in the body to move oxygen from the air into the blood to remove carbon dioxide from the body to trap foreign particles from the air and expel them from the body
The functions of the lower respiratory system are (1) to move oxygen to the cells in the body, (2) to move oxygen from the air into the blood, (3) to remove carbon dioxide from the body, (4) to trap foreign particles from the air and expel them from the body. Thus, options A, B, C, and D are correct.
The lower respiratory system is responsible for many crucial body functions. The respiratory system performs an essential role in the human body. It facilitates the process of respiration, which is critical for maintaining the body's homeostasis.
It performs the following functions:
Gas Exchange: It helps in the movement of oxygen from the air into the body's bloodstream and removes carbon dioxide from the bloodstream and excretes it out of the body.
Ventilation: It enables air to enter the lungs and provides oxygen to the body's cells.
Phonation: It facilitates sound produced when air passes through the larynx.
Olfaction: It helps to detect odors via the nasal cavity.
Defense: It protects against foreign objects or harmful substances through mechanisms like mucus and coughing.
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in a photosystem, the ____ complex captures light energy and passes it to the ____ center where electrons are transferred out of the system.
In a photosystem, the light-harvesting complex captures light energy and passes it to the reaction center where electrons are transferred out of the system.
Photosystems are structures located in the thylakoid membranes of plants' chloroplasts, which are responsible for the initial stages of photosynthesis. Photosystems consist of pigments such as chlorophyll, as well as associated proteins that facilitate light energy capture and electron transfer.
During photosynthesis, there are two main photosystems, Photosystem I (PSI) and Photosystem II (PSII). These photosystems work together to convert light energy into chemical energy through a series of redox reactions.
Light energy is first absorbed by the pigments in the light-harvesting complex, which then transfers the energy to the reaction center where it is used to excite an electron to a higher energy state. This excited electron is then passed through a series of electron carriers, releasing energy as it goes, until it eventually reaches a terminal electron acceptor where it is used to reduce another molecule (usually NADP+) to NADPH.
This process is called electron transfer, and it is a critical step in the production of ATP and NADPH during photosynthesis.
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how many subunits make up the core rna polymerase of a bacterium?
The core RNA polymerase of a bacterium is composed of four subunits: two α subunits, one β subunit, and one β' subunit. The α subunits have regulatory roles, while the β and β' subunits are responsible for catalyzing RNA synthesis.
The β subunit is responsible for binding the DNA template and the incoming ribonucleotides, while the β' subunit is responsible for catalyzing the formation of the phosphodiester bonds between the ribonucleotides.
The core RNA polymerase is able to carry out elongation of the RNA transcript, but additional subunits called sigma factors are required for the initiation of transcription at specific promoter sequences. Different sigma factors confer specificity to the RNA polymerase by recognizing different promoter sequences and binding to the core enzyme to form a holoenzyme.
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what is the correct order of stages of the cell cycle, ordered longest to shortest, in mammalian cells in culture ?
The cell cycle in mammalian cells in culture takes approximately 24 hours to complete, with the length of each stage varying depending on the type of cell and environmental factors.
The correct order of stages of the cell cycle, ordered longest to shortest, in mammalian cells in culture is:
1. Interphase - This stage is further divided into three phases: G1 (gap 1), S (synthesis), and G2 (gap 2). Interphase is the longest stage of the cell cycle and is characterized by growth and DNA replication.
2. Mitosis - This stage is the shortest and involves the division of the cell's nucleus into two daughter nuclei.
3. Cytokinesis - This stage is the division of the cytoplasm and organelles between the two daughter cells, resulting in the formation of two identical daughter cells.
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How would the results from Part A change if both parents are also heterozygous for the FUT1 gene controlling the synthesis of the H substance (Hh)? Drag the correct value to the blank following each offspring type View Available Hint(s) Reset Help type A with M antigen: 1/32 3/32 5/32 6/32 10/32 type A with M and N antigens type A with N antigen: type O with M antigen type O with M and N antigens: type O with N antigen
If both parents are heterozygous for the FUT1 gene controlling the synthesis of the H substance (Hh), then the expected offspring results would be:
Type A with M antigen: 3/32
Type A with M and N antigens: 5/32
Type A with N antigen: 1/32
Type O with M antigen: 10/32
Type O with M and N antigens: 6/32
Type O with N antigen: 1/32
This is because the FUT1 gene is responsible for the synthesis of the H substance and heterozygous for the gene means that each parent has one dominant and one recessive allele.
As a result, each offspring has a 3:1 ratio of dominant to recessive alleles, so each type of offspring will have different probabilities of being expressed.
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Hormonal Changes in the menstrual cycle
Answer:
The menstrual cycle is regulated by estrogen and progesterone, and includes four phases: menstrual, follicular, ovulation, and luteal. Estrogen levels rise during the follicular phase and peak just before ovulation. Progesterone levels increase during the luteal phase and drop if fertilization does not occur, leading to the shedding of the endometrial lining.
In what way do symptoms of disease differ from signs of disease?
A symptom is subjective, that is, apparent only to the patient (for example back pain or fatigue), a sign is any objective evidence of a disease that can be observed by others (for example a skin rash or lump).
Signs and symptoms are the visible, audible, or felt symptoms of a disease, injury, or condition. Symptoms are the patient's stated subjective experiences, whereas signs are objective and externally detectable. A sign might, for instance, be a higher or lower-than-normal fever, a rise or fall in blood pressure, or an abnormality that appears on a scan. An individual experiences a symptom when they sense anything abnormal in their body, such as a fever, a headache, or various types of pain.
Indicators are distinct from symptoms that are really felt. A indication of a condition is something that can be seen by another person or found during a test or operation performed by a doctor. For instance, during a physical, elevated blood pressure may be discovered as a marker even though there are no known symptoms. A symptom is anything that a person can experience and report, such as a headache or exhaustion. There may be overlap between symptoms and signs, as in the case of a bloody nose that both the person experiencing it and others may see as unusual (sign).
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Why do ions need membrane transport proteins to help them cross the plasma membrane?
a. Because they are not proteins
b. Because of their charge
c. Because they are not charged
d. Because of their size
Ions need membrane transport proteins to help them cross the
plasma membrane B. because of their charge.
The plasma membrane is a selectively permeable barrier that separates the cell's internal environment from the external environment. The membrane is composed of a lipid bilayer that is impermeable to most ions and polar molecules.
Ions are charged particles that cannot freely pass through the hydrophobic interior of the lipid bilayer. Therefore, they require specialized transport proteins to facilitate their movement across the membrane. These transport proteins allow ions to pass through the membrane via a variety of mechanisms, such as channels, carriers, or pumps.
The transport proteins are specific to the type of ion they transport, and they often require energy in the form of ATP to move the ions against their concentration gradient. Without these transport proteins, the movement of ions across the membrane would be severely limited, which could have significant effects on cellular function and homeostasis.
In summary, membrane transport proteins are necessary for ions to cross the plasma membrane due to their charge, as the hydrophobic interior of the lipid bilayer is impermeable to charged particles.
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If enzymes E1, E2 and E3 are not associated together anymore, what will happen to the activity of PDH, isocitrate dehydrogenase, or a-ketoglutarate dehydrogenase?
If enzymes E1, E2 and E3 are not associated together anymore, there will be no activity in PDH, isocitrate dehydrogenase, or a-ketoglutarate dehydrogenase
In multi-enzyme complexes like the pyruvate dehydrogenase complex (PDH), the isocitrate dehydrogenase (IDH), and the alpha-ketoglutarate dehydrogenase (-KGDH) complex, substrate channelling can take place. Due to the physical association of the enzymes in these complexes, the intermediate products can be transferred from one enzyme to another without dispersing into the bulk solution.
Therefore, substrate channelling cannot take place and the activity of the complex will diminish if the enzymes E1, E2, and E3 are no longer linked together. It is crucial to remember that despite the slower rates, each enzyme in these complexes can still catalyze its specific reaction independently, and the intermediate products will diffuse into the bulk solution to be processed by the following enzyme.
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What does the body do when the outside
temperature is too cold for the testicles?
A. Retract the scrotum to bring the testicles close to the
body
B. Distend the scrotum and testicles away from the body
C. Fill the scrotum with seminal fluid
D. Constrict the scrotum around the testicles
Answer:but i asked my brother and he said a
Explanation:
The long head of the biceps femoris muscle originates on the
The long head of the biceps femoris muscle originates on the ischial tuberosity, which is a bony prominence located at the base of the pelvis.
Specifically, it originates on the upper inner quadrant of the tuberosity, along with the semitendinosus and semimembranosus muscles. The biceps femoris muscle is one of the three muscles that make up the hamstring muscle group in the back of the thigh. The other two muscles are the semitendinosus and semimembranosus. The biceps femoris muscle inserts onto the fibular head and the lateral condyle of the tibia, just below the knee joint. The biceps femoris muscle is a large muscle located in the posterior compartment of the thigh. It is the most lateral of the three muscles that make up the hamstring muscle group, and it is divided into two parts: the long head and the short head. The long head of the biceps femoris is the larger and more lateral of the two parts, and it is responsible for most of the muscle's functions.
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What is the muscle located in the posterior compartment of the forearm
Which of the following is a characteristic that distinguishes gymnosperms and angiosperms from other plants? (A)alternation of generations (B)independent gametophytes (C)vascular tissue (D)ovules
The characteristic which distinguishes gymnosperms and angiosperms from other plants is the vascular tissue. These tissues are present in higher plants. Thus, the correct option is C.
What is Vascular tissue?Vascular tissue is a characteristic of gymnosperms and angiosperms that distinguishes them from other plants. This tissue helps transport water and nutrients to different parts of the plant and provides structural support.
Alternation of generations: This is the alternating pattern of asexual and sexual reproduction in certain plants and algae.
Independent gametophytes: Gametophytes are haploid cells that produce gametes (sperm and eggs) in plants.
Ovules: An ovule is a small structure containing the female reproductive cells of a flowering plant.
Therefore, the correct option is C.
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The layer between the tunica media and the tunica externa in a large artery is the
A) tunica intima.
B) external elastic membrane.
C) tunica media.
D) internal elastic membrane.
E) tunica externa.
In a large artery, the external elastic membrane is the layer that lies between the tunica media and tunica externa.
What is a large vein's tunica externa?The outermost tunica (layer) of a blood vessel, also known as the tunica adventitia (New Latin "additional coat"), is known as the tunica externa (New Latin "outer coat"). It surrounds the tunica media. It is mostly made of collagen and is supported in arteries by elastic lamina on the outside.
What are the tunica externa's layers?It is made out of the tunica intima (I), a straightened layer of endothelium; the tunica media (M), a layer of smooth muscle cells and elastic fibers (black in B); and the fibrous connective tissue known as the tunica adventitia (Ad).
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you are anxious to help teenagers fall asleep earlier in the evening. possible (but not necessarily recommended) solutions might include which of the following?
If you're anxious to help teenagers fall asleep earlier in the evening, possible solutions might include reducing their exposure to electronics in the evening, sticking to a consistent sleep schedule, etc.
What are the possible solutions to fall asleep?The possible (but not necessarily recommended) solutions include encouraging relaxation activities before bed, and limiting caffeine intake in the afternoon and evening. Additionally, you can encourage them to sleep in a dark, quiet, and cool environment.
Along with the above tips, there are certain measures one can take to help teenagers fall asleep earlier in the evening. Reducing their exposure to electronics in the evening. Encourage relaxation activities before bed. Limiting caffeine intake in the afternoon and evening. Sticking to a consistent sleep schedule. Encouraging them to sleep in a dark, quiet, and cool environment.
These measures will not only improve the sleep patterns of teenagers but also promote better health and well-being. It will also keep them refreshed throughout the day and promote good sleep habits.
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1. Which of the following enzymes are not involved in galactose metabolism?(a) Galactokinase(b) Glucokinase(c) Galactose-1-Phosphate Uridyltransferase(d) UDP-Galactose 4- epimerase
Answer:
B, Glucokinase
Explanation:
A stereogenic C atom is one that has four different groups attached to it. Which of the following are not stereogenic centers by this definition? a) Carbon atoms in CH2 groups. b) Carbon atoms in CH groupsc). c) sp^2 hybridized C atoms. d) Carbon atoms in CH3 groupse). e) sp^3 hybridized C atoms
The following are not stereogenic centers by this definition is
Carbon atoms in CH2 groups (option B)Carbon atoms in CH groups (option B).sp2 hybridized C atoms (option C).It is a well-known fact that stereoisomerism exists when compounds have the same molecular formula and the same connectivity, but they differ only in the spatial arrangements of atoms or groups in the molecule. One of the most common types of stereoisomerism is chirality, which refers to a molecule's non-superimposable mirror image that cannot be superimposed on its image. Therefore, stereogenic centers are the points in the molecule that create chirality.
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Use the UCSC Genome Browser (http://genome.ucsc.edu/) to determine how many amino acids are in the protein encoded by the EFNB3 gene.
a. 330
b. 340
c. 333
d. 346
Use the UCSC Genome Browser (http://genome.ucsc.edu/) the amino acids are in the protein encoded by the EFNB3 gene is 330 amino acids.
UCSC Genome Browser is a web-based browser that includes genomic sequences and annotations for a wide range of species. To determine how many amino acids are in the protein encoded by the EFNB3 gene, follow the steps outlined below, 1. Visit the UCSC Genome Browser website by going to http://genome.ucsc.edu/. 2. Choose the "Genome Browser" option from the "Genomes" menu. 3. Choose the "Human" genome from the "Genome" drop-down menu.
Then to locate the gene, 4. type "EFNB3" into the search box and press enter. 5. Select the "RefSeq" track to see the RefSeq annotation for the EFNB3 gene. 6. Click on the "Gene Details" link.7. The protein encoded by the EFNB3 gene is 330 amino acids long. Hence, the answer is 330. The answer is option A.330
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