Adaptions. Successfully. Characteristic. Environment. Natural. Poorly. Survive. Hope this helps!
Answer:

Option B is correct.
Explanation:
There are <u>thousands</u> of proteins and only 20 amino acids.
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A cell with the full amount of chromosomes - in a human this is 23 pairs
Is a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
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