Which three components are common to all amino acids? A. an amino group, a carboxyl group, and an R group B. an amino group, a phosphate group, and an R group C. a five-carbon sugar, a phosphate group, and a nitrogenous base D. a five-carbon sugar, an amino group, and a nitrogenous base

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Buttercup

Biology

12 July, 18:03

Which three components are common to all amino acids? A. an amino group, a carboxyl group, and an R group B. an amino group, a phosphate group, and an R group C. a five-carbon sugar, a phosphate group, and a nitrogenous base D. a five-carbon sugar, an amino group, and a nitrogenous base

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Franco Reese · Answer 1

The correct answer is A. The three components that are common to all amino acids are an amino group, a carboxyl group, and an R group. All the 20 amino acids have these structures they only vary in the structure of the R-group.