MDCAT Biology MCQ #3293

Exposure to extremely high temperatures causes the loss of the three-dimensional shape of an enzyme, rendering it permanently non-functional. This is:

MDCAT Biology MCQ #3293

  1. Question 1

    Q1. Exposure to extremely high temperatures causes the loss of the three-dimensional shape of an enzyme, rendering it permanently non-functional. This is:

    • A) Denaturation
    • B) Inactivation
    • C) Inhibition
    • D) Hydrolysis

    Answer: Denaturation

    Explanation: Denaturation is the irreversible loss of tertiary structure; inactivation might be reversible and doesn't necessarily involve the unfolding of the protein.