Question

multiple choice question
a chain of 25 amino acids would be called a

dipeptide
nucleopeptide
protein
polypeptide

Explanation:

A dipeptide is a molecule consisting of two amino - acids. There is no such common term as nucleopeptide. Proteins are large, complex molecules formed by one or more polypeptide chains folded into a specific 3 - D structure. A polypeptide is a chain of amino acids. A chain of 25 amino acids is a relatively short chain and is called a polypeptide.

Answer:

D. polypeptide