Amino acids are the monomeric units of the macromolecule, protein. The amino acid sequence of a polypeptide is referred to as the primary sequence of the polypeptide. Thus, option A is correct.
The polypeptide chain has been constituted of the amino acids bonded together with the help of the peptide bonds. Many amino acids link to form the proteins that result in a macromolecule.
Amino acids are said to be a primary and fundamental unit that structurally makes polypeptides that bond in various ways to produce proteins.
Therefore, option A. amino acids are the primary structure of the polypeptide sequence.
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Your question is incomplete, but most probably your full question was, The amino acid sequence of a polypeptide is referred to as the _____ sequence of the polypeptide. A) primary. B) secondary. C) tertiary. D) quaternary.
