Chapter 19.4, Problem 19.30QAP

Interpretation Introduction

Interpretation:

Explain the bonding in between amino acids of a polypeptide chain in an $\text{α-}$ helix.

Concept introduction:

Proteins are macromolecules obtained by repetitive combination of amino acids. They exhibit four level of structures viz. Primary, secondary, tertiary, and quaternary.

The two kinds of secondary structures are:

a) $\text{α-}$ helix

b) $\text{β-}$ sheet