MDCAT Chemistry MCQ #4850

A sample of egg white coagulates when heated to 100 degrees Celsius. Which structural level of the protein remains intact during this denaturation?

MDCAT Chemistry MCQ #4850

  1. Question 1

    Q1. A sample of egg white coagulates when heated to 100 degrees Celsius. Which structural level of the protein remains intact during this denaturation?

    • A) Primary structure
    • B) Secondary structure
    • C) Tertiary structure
    • D) Quaternary structure

    Answer: Primary structure

    Explanation: Denaturation disrupts folding but leaves the amino acid sequence untouched; secondary structure is tempting but it unfolds during the process.