Question

(1) Fill in the blanks:
1. Amino acids containing one amino group and one carboxyl group are called
amino acids.​

Answer 1

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The resulting chain of amino acids is called a polypeptide chain. Each polypeptide has a free amino group at one end. This end is called the N terminal, or the amino terminal, and the other end has a free carboxyl group, also known as the C or carboxyl terminal.