Protein Structure and Functions — Prelims Questions

Which of the following bonds is primarily responsible for stabilizing the primary structure of a protein?

Which of the following interactions is NOT directly involved in stabilizing the tertiary structure of a protein?

Which of the following statements about $alpha$-helix and $\beta$-pleated sheet structures is correct?

A protein loses its biological activity when subjected to extreme heat or pH changes. This phenomenon is best described as:

Hemoglobin is an example of a protein with quaternary structure. This means it is composed of:

Which of the following is a primary function of fibrous proteins in the human body?