Chemistry·Prelims Questions
Polypeptides, Proteins, Structure of Proteins — Prelims Questions
NEET UG
Version 1Updated 22 Mar 2026
Q1easy
A polypeptide chain consists of 150 amino acid residues. How many peptide bonds are present in this chain?
Q2medium
Which of the following interactions is NOT primarily responsible for stabilizing the tertiary structure of a protein?
Q3medium
Which of the following statements about -helix secondary structure is INCORRECT?
Q4easy
Which of the following processes would most likely lead to the irreversible loss of a protein's biological activity without breaking its peptide bonds?
Q5easy
Which level of protein structure is characterized by the specific sequence of amino acids in a polypeptide chain?
Q6medium
Which of the following proteins is an example of a fibrous protein primarily involved in providing structural support?