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Marat540 [252]
2 years ago
12

Can someone please help mee

Biology
1 answer:
timofeeve [1]2 years ago
5 0
The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
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Skin color is controlled by three pairs of alleles. Someone with very light skin has 6 recessive alleles while someone with very
murzikaleks [220]

Answer:

Has three dominant alleles

Explanation:

Skin colour is a polygenetic inheritance and it is controlled by three genes pairs of alleles. The human skin is determined by the amount of melanin it contains. A combination of melanin producing alleles  determines the skin color.

In the above question, the person has a skin color that is midway meaning only half of the alleles produced melanin. The total number of alleles is 6 and half of it is 3. So, only 3 alleles were dominant and the remaining three were recessive.

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3 years ago
When a molecule of doubled stranded DNA undergoes replication, results in
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The process of DNA replication begins with one double-stranded molecule of DNA. The two strands of this molecule separate during replication, and DNA polymerases add complementary nucleotides to each strand. The end results of DNA replication are two identical DNA molecules
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What structure is common in all 6 kingdoms of living organisms?
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Organisms from all six kingdoms have DNA but some are not enclosed inside the nucleus but scattered in the cytoplasm.Only eukaryotes have nuclei where DNA strands are enclosed.
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3 years ago
Which term best demonstrates when an organism is better adapted to the environment that they live in and are most likely to surv
Maksim231197 [3]
The answer is natural selection. :)
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.True or False: Clear-cutting results in mostly even-aged stands of trees
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