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Hitman42 [59]
3 years ago
15

1. Why does a change in the structure of a protein matter?

Biology
1 answer:
irina1246 [14]3 years ago
8 0

Answer:

B. a mutation to the mRNA transcribed from it

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jolli1 [7]

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im pretty sure its breathing

Explanation:

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How does cell differentiation contribute to the formation of new, different types of skin cells?
ch4aika [34]

During cell differentiation, new proteins are expressed

During cell differentiation, some genes are silenced while some or expressed. Different cells differentiate differently depending on the type of cell is going to become. This is why even though all the cells in a multcellular organism have the same DNA, they become different organ systems that look different.

Explanation:

Different differentiated cells produce different proteins because they express different genes. For example Cells of the epidermis of the skin express the genes for producing keratin (the pigment molecule) while those in the dermis do not express this protein because this gene is silenced in dermis cells. In  addition, in dark-skinned people, these genes are more expressed that in people with light skin.

Learn More:

For more on cell differentiation check out;

brainly.com/question/4768354

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3 years ago
All individuals of one species living in an area is called?
kati45 [8]

Answer:

A population comprises individuals of the same species. A community however is comprised of different populations of several species coexisting in the same area. In short, a population only refers to one species, but a community refers to all living species within a certain area.

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SpyIntel [72]

A) Membrane proteins are always needed.


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Why are ribosomes necessary for both Prokaryotic and eukaryotic cells to function properly?
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Answer:

ribosomes are found in both cells

Explanation:

Ribosomes are special because they are found in both prokaryotes and eukaryotes. While a structure such as a nucleus is only found in eukaryotes, every cell needs ribosomes to manufacture proteins. ... The attached ribosomes make proteins that will be used inside the cell and proteins made for export out of the cell

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