Question

11 multiple choice 1 point quaternary structure involves: a single folded protein dna double helix interaction of multiple polypeptide chains a straight amino acid chain

Explanation:

The quaternary structure of a protein is formed by the interaction of multiple polypeptide chains. A single - folded protein refers to a tertiary - structured protein. The DNA double helix is related to nucleic acids, not protein structure. A straight amino - acid chain is a primary structure.

Answer:

C. Interaction of multiple polypeptide chains