Which of the following statements about amino acids is incorrect?

Practice question

Question

Which of the following statements about amino acids is incorrect?

Options

Choose one · Correct answer highlighted

Amino acids are the building blocks of proteins. All amino acids contain an amino group and a carboxyl group. Amino acids do not contain nitrogen. Correct Amino acids can be essential or non-essential.

Explanation

Amino acids contain nitrogen in their amino (-NH₂) group.

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