A molecule made up of a chain of amino acids is called what?

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Multiple Choice

A molecule made up of a chain of amino acids is called what?

Explanation:
A chain of amino acids linked by peptide bonds is called a polypeptide. The individual units are amino acids, and when several are joined, you get a dipeptide, tripeptide, and, for longer chains, a polypeptide. Polypeptides can fold into functional proteins, which may take on roles such as enzymes or hormones, but those terms describe functions or types, not the general descriptor for the amino-acid chain. So this chain is best described as a polypeptide.

A chain of amino acids linked by peptide bonds is called a polypeptide. The individual units are amino acids, and when several are joined, you get a dipeptide, tripeptide, and, for longer chains, a polypeptide. Polypeptides can fold into functional proteins, which may take on roles such as enzymes or hormones, but those terms describe functions or types, not the general descriptor for the amino-acid chain. So this chain is best described as a polypeptide.

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