MDCAT Biology MCQ #3282

When the essential non-protein part is removed from an enzyme, the remaining inactive protein part is known as the:

MDCAT Biology MCQ #3282

  1. Question 1

    Q1. When the essential non-protein part is removed from an enzyme, the remaining inactive protein part is known as the:

    • A) Holoenzyme
    • B) Prosthetic group
    • C) Cofactor
    • D) Apoenzyme

    Answer: Apoenzyme

    Explanation: An apoenzyme is the inactive protein part; a holoenzyme is the complete, active complex including the required cofactor or prosthetic group.