The DNA sequence CCAAGAAGTCGACAAACA is translated to synthesise the
amino acid chain gly-ser-ser-ala-val-cys.
As a result of a mutation, the sequence length of the amino acid chain is shortened from six to two amino acids. A stop codon in mRNA is UGA.
Which base in the DNA sequence was changed by the mutation?
A. A
B. C
C. G
D. T
Answers
Answer:
G
Explanation:
your have to look at the second triplet of bases: AGT since it says the chain is only 2 amino acids long (so the 3rd triplet must be the stop codon).
Now remember that for the DNA-mRNA transcription A becomes U, T becomes A, C becomes G and vice versa. So to codify a UGA codon you need ACT in the DNA. Since we have AGT instead, it means the G was changed by the mutation.
Answer:
option c "G"
Explanation:
Related Questions
2. Fill in the blank(s): Complete the sentence using one of the following words: polygenic,
codominance, or incomplete dominance. Human adult height and skin color are examples of (___)
traits
Answers
Human adult height and skin color are examples of polygenic traits.
Traits are personality traits that distinguish organisms. Traits that are generally controlled by three or more genes are called polygenic traits.
Polygenic traits are traits that are influenced by more than one gene, such as height or skin color. Because multiple genes are involved, polygenic traits do not follow Mendelian inheritance patterns. In humans, examples of polygenic traits are height, skin color, hair color, and eye color. Type 2 diabetes, coronary artery disease, cancer, and arthritis are also considered polygenic. However, these conditions are not only genetic, as polygenes can be influenced by environmental factors.
His three examples of polygenic traits in humans are height, skin color, and eye color. These traits are controlled by several genes.
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name two structures that occur in plant cells but not in animal cells?
Answers
Answer: The two structures found in plant cells not in animal cells are cell wall and chloroplast.
Explanation: I hope this helps! :)
Answer: Cell wall and Chloroplast
Explanation:
All life processes occur within cells. *
10 points
True
False
Answers
Answer: true
Explanation: all cells include life processes
Answer:
true
Explanation:
all life processes occur within cells
if a plant has TtSs genotype, what would the genotypes of its gametes be?
Answers
Answer: TS, Ts, tS, ts
Explanation:
I'm not that good at explaining things but... the capital T would go with both the captial S and lowercase S and the lowercase T would do the same. You could also do it the opposite way like the capital S would go to the capital T and lowercase T and the lowercase S would do the same!
Hope that helps..... :)
T/F: Anatomical thoracic inlet is bounded by T1 vertebral body, clavicles and superior border of the manubrium
Answers
False. The T1 vertebral body does not bind the anatomical thoracic inlet.
It is actually bounded by the first rib, the superior border of the manubrium (part of the sternum), and the medial ends of the clavicles. The thoracic inlet, also known as the superior thoracic aperture, is the upper opening of the thoracic cavity. It is a passage for various structures between the neck and the thorax. The boundaries above create a triangular-shaped inlet through which important structures pass, including the trachea, esophagus, major blood vessels, and nerves.
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To study the effect of fungicide on plant growth you spray one group of plants with fungicide and the other with water & measure growth. What statistical test is most appropriate? linear regression t-test Chi-square goodness of fit ANOVA
Answers
To study the effect of fungicide on plant growth, where you have one group of plants sprayed with fungicide and another with water, the most appropriate statistical test to use would be an ANOVA (Analysis of Variance). This test allows you to compare the means of the two groups and determine if there is a significant difference in growth due to the fungicide treatment
The most appropriate statistical test to study the effect of fungicide on plant growth in this scenario would be the t-test. This test compares the means of two groups (fungicide-treated and water-treated) and determines if the difference in means is statistically significant. Linear regression would not be appropriate as it is used to analyze the relationship between two continuous variables, while fungicide treatment and plant growth are categorical and continuous variables respectively. Chi-square goodness of fit is used to compare observed and expected frequencies of categorical variables, and ANOVA is used to compare means of more than two groups.
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1. Decide if the following statements are True or False. If the statement is False, rewrite the statement to make it True.
a. Most cells are visible to the human eye without a microscope.
b. The cell carries out all functions for survival.
c. Prokaryotes are unique because they have no nucleus.
d. Eukaryotes are complex cell with organelles but with no nucleus.
e. Cells have cytoplasm.
f. Almost all living things are made of cells.
g. The cell membrane prevents some chemicals from entering the cell.
h. Plants need chloroplasts for photosynthesis.
i. Animal cells have a cell wall instead of a cell membrane.
j. In a cell, the breakdown of food molecules releases energy.
k. The cell passes waste materials from inside the cells to outside the cells.
l. Cells reproduce in orderly fashion according to the type of cells.
Answers
T
T
F
T
T
T
T
F
T
T
T
Hope this helps
Types of blood vessels and what they do
(3 types)
Answers
There are three types of blood vessels in the body: arteries, veins, and capillaries.
Arteries carry oxygenated blood away from the heart to the rest of the body. They are thick-walled and highly elastic to withstand the high pressure of blood flow. Veins, on the other hand, carry deoxygenated blood back to the heart. They have thinner walls and less elasticity than arteries, but have valves to prevent backflow. Capillaries are the smallest blood vessels that connect arteries to veins. They allow for the exchange of oxygen, nutrients, and waste products between the blood and the body's tissues. Overall, blood vessels play a crucial role in maintaining proper circulation and delivering essential nutrients and oxygen to the body's cells.
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In general which group of stars have the Brightest Luminosity? Select one: a. Supergiants b. Giants c. Main sequence d. White dwarfs
Answers
Answer:
Hello!
I think your answer should be A. SUPERGIANTS!
Explanation:
HOPE THIS HELPS!
itsMATT04
Answer:
A
Explanation:
got it correct
1. This phylogenetic tree was constructed by comparing sequences for a homologous gene involved in development. Select the correct statement.
A. A phylogenetic tree containing two main branches for evolutionary relationships among the animals.
B. The first branch leads to Drosophila.
C. The second branch divides into two branches, 2a and 2b. Branch 2a leads to Lancelet.
D. Branch 2b divides into two branches: 3a and 3b. Branch 3a leads to Zebrafish.
E. Branch 3b divides into two branches: 4a and 4b. Branch 4a leads to Frog.
F. Branch 4b divides into two branches: 5a and 5b. Branch 5a leads to Chicken.
G. Branch 5b divides into two branches leading to Human and Mouse, respectively.
2. This phylogenetic tree was constructed by comparing sequences for a homologous gene involved in development. Select the correct statement.
A. The common ancestor of a human and a frog and the common ancestor of a mouse and a chicken lived at the same time.
B. The nucleotide sequence of this gene in a mouse is more similar to the sequence in a chicken, and both are less similar to the nucleotide sequence of this gene in a frog.
C. A frog is the ancestor of both a mouse and a chicken.
Answers
The figure shows a tree diagram with two main branches. The first branch leads to Drosophila. The second branch divides into two branches 3a and 3b. Branch 3a leads to Lancelet. Branch 3b divides into two branches: 4a and 4b. Branch 4a leads to Zebrafish. Branch 4b divides into two branches: 5a and 5b. Branch 5a leads to Frog. Branch 5b divides into two branches: 6a and 6b. Branch 6a leads to Chicken. Branch 6b divides into two branches leading to Human and Mouse, respectively.
This phylogenetic tree was constructed by comparing sequences for a homologous gene involved in development. Select the correct statement.
The nucleotide sequence of this gene in a mouse is more similar to the sequence in a chicken, and both are less similar to the nucleotide sequence of this gene in a frog.
A frog is the ancestor of both a mouse and a chicken.
The common ancestor of a human and a frog and the common ancestor of a mouse and a chicken lived at the same time.
Answer:
The answer is below
Explanation:
Given the information above, and from the available pictures which showed the detailed analysis of the information presented in the question. It can be concluded that, the nucleotide sequence of this gene in a mouse is more similar to the sequence in a chicken, and both are less similar to the nucleotide sequence of this gene in a frog.
Hence, the right answer is option B.
Please help me solve this
Answers
Answer:
CATGGAT-----> GTACCTA
CGGTACA-----> GCCATGT
CGGTTAA-----> GCCAATT
TAAGGCC-----> ATTCCGG
ATTGCGT-----> TAACGCA
Explanation:
adenine always with thymine (A-T)
cytosine always with guanine (C-G)
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both salmon and the grizzly bear are ?
a) producers
b) consumers
c) decomposers
Answers
Both salmon and the grizzle bear are consumers
What is the goal of translation?
A- To make DNA
B- To make mRNA
C- To make a protein
D- To make a Ribosome
Answers
Answer:
C - to make a protein
Explanation:
use the elimination method to answer this question
my grandmother takes a prescription drug that dilates her arterioles. what does this do to her blood pressure? why? multiple choice it falls because this decreases the cross-sectional area of the vessels. it rises because this decreases the cross-sectional area of the vessels. it rises because this increases the cross-sectional area of the vessels.incorrect it stays the same because venules, not arterioles, control blood pressure. it falls because this increases the cross-sectional area of the vessels.
Answers
If the prescription dilates the arterioles, then the blood pressure would: option E: it falls because this increases the cross-sectional area of the vessels.
By relaxing the smooth muscle in blood arteries, a medication that dilates arterioles can lower blood pressure by causing the capillaries to expand. As a result, the heart doesn't have to work as hard to pump blood through the veins since it flows more smoothly. Some hypertension medications, such calcium channel blockers, also cause blood vessels to enlarge.
Vasodilators are medications that cause blood vessels to dilate. (dilate). They affect the artery and vein lining muscles, preventing tightening and constriction of the walls. Blood is able to flow through the vessels more readily as a result. Reduced cardiac effort results in lower blood pressure.
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Correct question is:
My grandmother takes a prescription drug that dilates her arterioles. what does this do to her blood pressure? why? multiple choice
it falls because this decreases the cross-sectional area of the vessels.
it rises because this decreases the cross-sectional area of the vessels.
it rises because this increases the cross-sectional area of the vessels.
it stays the same because venules, not arterioles, control blood pressure.
it falls because this increases the cross-sectional area of the vessels.
what is dna ? and what is the purpose of dna
Answers
Answer:
Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things. All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information.
Explanation:
-Eijiro <3
First, it has to be able to make copies of itself because you're making new cells all the time and your cells have to have a copy of your DNA so it has to do what we call replication.
It also has to store all the information about your body as far as your body chemistry, your proteins, your amino acids, and all the things that make you.
One more very important job of DNA is that it's responsible for this process called protein synthesis which is the process in which cells make proteins. So every piece of your body from your fingernails, your eyeballs, and many other things are made up of proteins, proteins are the building blocks of you and the DNA determines the shape and function of your proteins. You think of DNA as a set of instructions on how to make the proteins that make you.
4. What do you think would happen if a small mass of cells broke away from a human blastula (an embryonic mass of cells)?
pls answer correctly if not you will be reported if you answer correctly i will give brainiest and give more points
Answers
If a small mass of cells broke away from the human blastula, then it will not be able to form the blastocysts.
In the field of biology, the blastocyst can be described as a bundle of cells that have they ability to develop into a complete organism. If some cells are broken down from the blastula, then this means that the blastocysts will not be able to form.
The embryo formed will have some missing cells and hence will not be able to develop properly. There can be missing body parts in the embryo while development is a small mass of cells breaks down from the human blastula.
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When testing for tonicity of red blood cells, why were you unable to read the lab manual through the tubes containing hypertonic or isotonic solution
Answers
You were unable to read the lab manual through the tubes containing hypertonic or isotonic solution because the cells in those solutions remained intact, causing the solutions to be opaque.
In an isotonic solution, a red blood cell will not experience any net water movement. There won't be a net migration of water towards the solution or the cell since the concentration of the solute and water are identical both within and outside the cell.An animal or plant cell submerged in a hypertonic solution shrinks as a result of water loss ( water moves from a higher concentration inside the cell to a lower concentration outside ). hence the cells remain intact causing the solution to be opaque.learn more about hypertonic or isotonic here: https://brainly.com/question/19358677
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The enzyme atp synthase couples the synthesis of atp to:.
Answers
ATP synthase is an enzyme that is found in the inner mitochondrial membrane of eukaryotic cells and in the plasma membrane of prokaryotes.
It is responsible for the synthesis of ATP from ADP and inorganic phosphate (Pi) during oxidative phosphorylation in the electron transport chain.
The enzyme is composed of two main parts: the F0 subunit which spans the membrane and acts as a proton channel, and the F1 subunit which protrudes into the mitochondrial matrix or cytoplasm and houses the catalytic site that synthesizes ATP.
The movement of protons through the F0 subunit creates a proton gradient across the membrane, which drives the rotation of the F1 subunit and the synthesis of ATP. In this way, ATP synthase couples the synthesis of ATP to the proton motive force generated by the electron transport chain.
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How is water traveling underground to lost Lake?
Answers
Answer: Water becomes the part of the aquifer.
Explanation:
Water from rain, snow fall, river, lakes, ponds, ocean, irrigation field, and from other sources become the part of the ground water or aquifer. The water seep into the soil or rocks and deposited as reservoir of water underground. The underground water when exposed to the surface can become the part of the lost lake or any other water body. Thus the source of lost lake can be determined this way by tracking the distance covered by the ground water.
Which of these muscles has fascicles parallel to the midline? a) external obliques b) transverse abdominis c) rectus femoris d) biceps femoris
Answers
The muscle with fascicles parallel to the midline is the rectus femoris.
The rectus femoris is a quadriceps muscle located in the anterior thigh. Its fascicles run parallel to the midline of the body, which means they are oriented vertically. This orientation allows the muscle to produce force in a straight line, making it particularly effective for actions such as extending the knee and flexing the hip. In contrast, muscles like the external obliques and transverse abdominis have fascicles oriented at an angle to the midline, allowing them to generate rotational movements. The biceps femoris is a hamstring muscle located in the posterior thigh, and its fascicles are oriented diagonally, allowing it to produce both knee flexion and hip extension.
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An astronaut is planning a trip to a newly-discovered planet according to the law of universal gravitation, the astronaut weight in the new planet will be greater than his weight on earth if:
Answers
The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.
Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.
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Pink body color (P) is dominant to yellow (p). What genotype(s) could the offspring have to have yellow body color?
Answers
If pink body color (P) is dominant to yellow (p), an individual with yellow body color must have two recessive alleles for body color (pp). Therefore, any offspring that has a genotype of pp will have yellow body color.
If pink body color (P) is dominant to yellow (p), then an individual with a homozygous dominant genotype (PP) or a heterozygous genotype (Pp) would have pink body color. To have yellow body color, an individual would need to have two copies of the recessive yellow allele (pp). Therefore, the only genotype that would result in yellow body color is homozygous recessive (pp).
So, if both parents have pink body color but are heterozygous carriers of the yellow allele (Pp), their offspring would have a 25% chance of inheriting a recessive yellow allele from each parent, resulting in a homozygous recessive genotype (pp) and yellow body color. The other 75% of their offspring would inherit at least one dominant pink allele (P), resulting in pink body color.
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Can you identify the major theme illustrated by each of the following examples? necessary; YOu may review the themes in Chapter of your book Match the themes on the left with the examples on the right Not all themes will be used Reset Help Pathways that transfor energy and matter Deforestation, which removes lot of photosynthetic plant life , thereby reduces the ability of the biosphere to absorb carbon. Planting new forests can have the opposite effect of fixing carbon from the atmosphere, potentially reducing the effect of the gases that contribute to global climate change. Interactions within biological systems Information flow improve biofuel production, algae are exposed to mutation-promoting chemicals. This produces highly varied collection of algae that can be screened for the ability to produce the most useful biofuel in the largest quantity: The tiny fraction of total algae that can best perform this task is grown and subjected to another round of mutation and selection: After many repetitions the algae may slowly Evolution Relationship of structure to function improve their ability to efficiently produce biofuels Chloroplasts contain several different pigments of different molecular shapes that absorb light of different wavelengths The carbon dioxide that enters leaf is the source of carbon for much of the body of the plant including the sugars and starches that we eat. So the bulk of the body plant derives from the air, not the soil.
Answers
Pathways that transform energy and matter: Deforestation, removes a lot of photosynthetic plant life, thereby reducing the ability of the biosphere to absorb carbon. Planting new forests can have the opposite effect of fixing carbon from the atmosphere, potentially reducing the effect of the gases that contribute to global climate change.
Interactions within biological systems: To improve biofuel production, algae are exposed to mutation-promoting chemicals. This produces a highly varied collection of algae that can be screened for the ability to produce the most useful biofuel in the largest quantity.
The tiny fraction of total algae that can best perform this task is grown and subjected to another round of mutation and selection. After many repetitions, the algae may slowly improve their ability to efficiently produce biofuels.
Evolution: The relationship of structure to function is illustrated by the fact that chloroplasts contain several different pigments of different molecular shapes that absorb light of different wavelengths.
The carbon dioxide that enters the leaf is the source of carbon for much of the body of the plant, including the sugars and starches that we eat. So the bulk of the plant's body derives from the air, not the soil.
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The most abundant element in Earth’s continental crust, by weight, is _____.
Answers
Answer:
Oyxgen is the heaviest.
Explanation:
Carbohydrates are used by the body primarily for?
Answers
Answer:
Glucose
Explanation:
Glucose is the main sugar found in your blood. It comes from the food you eat, and is your body's main source of energy. Your blood carries glucose to all of your body's cells to use for energy.
How are gross production and net production different?
a. Net production is always greater than gross production.
b. Net production is always less than gross production.
C. Only animals have net production.
d. Only plants have net production.
Please select the best answer from the choices provided
Ο Α
OB
ОС
OD
Answers
Answer:
b. Net production is always less than gross production.
Explanation:
The main production i.e. done in ecology would do the production in the organic compounds with the help of photosynthesis. The gross production is the value i.e. generation of organic compounds by producers while the net production is the value of organic compounds i.e stored by producers. It should be lower than the gross production as the plants are not able to store large number of organic compounds than they generated
three types of transpiration
Answers
Answer:
1) Stomatal Transpiration
2) Lenticular Transpiration
3) Cuticular Transpiration
OAmalOHopeO
In a population of plants, 64% exhibit the dominant flower color (red), and 36% of the plants have white flowers. What is the frequency of the dominant allele? (There are a couple of twists in this explanation problem, so read and think carefully. A complete solution for this problem is at the end of this Reading Guide chapter.)
Answers
A population's allele frequencies can be estimated using the Hardy-Weinberg equation. The dominant allele frequency is calculated to be 64%.
The formula p2 + 2pq + q2 = 1 can be used to compute genotype frequencies and dominant (p) and recessive (q) allele frequencies.
Given, The frequency of the "aa" genotype is 36%,
The frequency of the "a" allele is 36%,
so q² = 0.36
q²= 0.36
q = 0.6
Since q equals the frequency of the allele 'a', then the frequency is 60%.
The frequency of the "A" allele-
Since q = 0.6
p + q = 1
p = 1- 0.6
p = 0.4
the frequency of A is equal to p, so the answer is 40%.
The frequencies of the genotypes "AA" and "Aa." :
The frequency of AA is equal to p², and the frequency of Aa is equal to 2pq. So, using the information above,
the frequency of AA is 16%
i.e. p² = 0.4 x 0.4
p² = 0.16
and Aa is 48%
2pq = 2 x 0.4 x 0.6
2pq = 0.48.
As a result, the frequency of the dominant phenotype is equal to the product of the AA and Aa frequencies. Therefore, 64% is the dominant allele frequency.
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Which of following is the SI unit for temperature?
Answers
Answer:
kelvin
"The kelvin, symbol K, is the SI unit of thermodynamic temperature.
Plants are ________. Plants are ________. unicellular prokaryotes unicellular protists multicellular eukaryotes multicellular prokaryotes
Answers
Plants are multicellular eukaryotes.
The kingdom Plantae includes organisms that range in size from tiny mosses to giant trees. Despite this enormous variation, all plants are multicellular and eukaryotic (i.e., each cell possesses a membrane-bound nucleus that contains the chromosomes).
They generally possess pigments (chlorophylls a and b and carotenoids), which play a central role in converting the energy of sunlight into chemical energy by means of photosynthesis.
Most plants, therefore, are independent in their nutritional needs (autotrophic) and store their excess food in the form of macromolecules of starch. The relatively few plants that are not autotrophic have lost pigments and are dependent on other organisms for nutrients.
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