Regarding Polypeptide Structure, Which, If Any of the Following Statements

Multiple Choice

Regarding polypeptide structure, which, if any of the following statements is incorrect.

A) A polypeptide is a polymer composed of a linear sequence of amino acids.
B) A polypeptide normally adopts a rod-like conformation, with the side chains orientated in the same direction relative to the polypeptide backbone.
C) The amino acids within a polypeptide are joined by a covalent bond known as a peptide bond.
D) Peptide bonds form by a condensation reaction between the amino group of an amino acid and the carboxyl group of its neighbor.