Question

Asa measure of affinity of the enzymes-substrate reaction, which among the following is true in the presence of a competitive inhibitor?

• A. $K_m$, will remain same, but $V_{max}$ will increase
• B. $K_m$ will increase, but $V_{max}$ remains same
• C. $K_m$ will increase, but $V_{max}$ remains unaltered
• D. $K_m$ and $V_{max}$ will increase

Answer 1

Answer: (C)

Correct answer is (c) $K_m$ will increase, but $V_{max}$ remains unaltered