Question
Of all the possible amino acids, all living organisms make use of only the same 20 amino acids. This supports the idea that only a limited number of DNA mutations are possible. only 20 amino acids exist on Earth. bacteria, animals, and plants developed independently. natural selection drives evolution. all living things are derived from a single common ancestor.
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VictorMaster · Tutor for 5 years
Answer
derived from a single common ancestor.
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