Question

what are the 4 levels of structure called when talking about proteins? multiple answers expected here. select all correct options tertiary structure primary structure secondary structure quaternary structure triune structure

Explanation:

The four levels of protein structure are Primary, Secondary, Tertiary, and Quaternary. "Triune Structure" is not a recognized level of protein structure. So the correct options are the ones representing these four valid levels.

Answer:

A. Tertiary Structure, B. Primary Structure, C. Secondary Structure, D. Quaternary Structure