Two major types of protein secondary structures are referred to as:
A)elementary and primary.
B)amino and carboxyl.
C)residual and permanent.
D)$\alpha$ helix and $\beta$ sheet.
E)ionic and covalent.

Question

Quizplus · Accepted Answer

The two major types of protein secondary structures are alpha helices (F1F1F1S1αF1F1F10 helix) and beta sheets (F1F1F1S1βF1F1F10 sheet). These structures are formed by hydrogen bonds between the amino acid residues in the protein backbone.

Two Major Types of Protein Secondary Structures Are Referred to As