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iren2701 [21]
3 years ago
13

BIO EXPERTS!

Biology
2 answers:
olasank [31]3 years ago
8 0
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

The statement that best describes how this control is coordinated is 
<span>The genes are splice variants of a single sequence that is activated with a single promoter and then modified post-transcriptionally.</span>
Lady bird [3.3K]3 years ago
8 0

Answer:

The correct answer is option b. "The genes share a specific combination of control elements".

Explanation:

Human eye color is an example of a trait that is controlled under the influence of multiple genes (polygenic). Human eye color is mainly determined by the amount of melanin that is present in the front part of the iris, which it is controlled by up to 16 genes. Among the different genes, the ones that mainly influence eye color are: OCA2 and HERC2. These two genes share a specific combination of control elements, for instance, a regulatory element of HERC2 gene inhibits OCA2 expression as well.

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Plants exchange gas with the atmosphere. Which statement accurately describes this process?
larisa86 [58]

Answer:

C. Plants release carbon dioxide and take in oxygen through the xylem in leaves.

Explanation:

Plants exchange gas with the atmosphere and release carbon dioxide and take in oxygen through the xylem in leaves.

4 0
3 years ago
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The allele for height Tall (T) is dominant to short (t).
MatroZZZ [7]

Answer:

The allele for height Tall (T) is dominant to short (t). What is the genotype for heterozygous height?

TT x tt= Tt, Tt, Tt, Tt

The genotype for heterozygous height is Tt which is Tall and dominant

Explanation:

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3 years ago
Summarize the differences between mitosis in plants and animals
aleksley [76]
The most observabledifference<span> is the way in which cytokinesis occurs. In </span>plants<span> a new cell wall is fashioned </span>between<span> the new daughter cells, while in </span>animal<span> cells the cell membrane constricts to pinch the parent cell into daughter cells.</span>
7 0
3 years ago
If a man weighs 190 lb and eats 150 g protein per day, his protein intake is _____ of the recommended dietary allowance (rda)
-BARSIC- [3]

The RDA for protein is 0.8 g per kilogram of body weight. This man's weight is 190 lb, or 86 kg; 86 kg × 0.8 = 69.1 g protein per day. Thus, an intake of 150 g is more than twice his RDA of 69.1 g of protein per day.

Recommended Dietary Allowance (RDA) of protein for adults is 0.8 g per kilogram of body weight. To determine your RDA for protein, multiply your weight in pounds by 0.36.The protein RDA for adults is 0.8 grams per kilogram of healthy body weight per day.

Proteins build muscle mass and contour, facilitate hair, nails and bone growth, regulate energy levels, and support chemical processes within the body which include enzyme, hormone and antibody production.

To learn more about Recommended Dietary Allowance ,here

brainly.com/question/11824881

#SPJ4

6 0
2 years ago
Explain how mutations cause cancer cells.
earnstyle [38]

Answer:

Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.

Explanation:

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2 years ago
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