MDCAT Biology MCQ #3288

When all active sites are occupied by substrate molecules, further increasing substrate concentration does not increase the rate. This state is:

MDCAT Biology MCQ #3288

  1. Question 1

    Q1. When all active sites are occupied by substrate molecules, further increasing substrate concentration does not increase the rate. This state is:

    • A) Denaturation
    • B) Inhibition
    • C) Saturation
    • D) Activation

    Answer: Saturation

    Explanation: Saturation occurs when all active sites are busy; denaturation involves the physical unfolding of the protein due to heat or pH.