Cli in! ow would you expect a competitive inhibitor to affect enzyme function? a

Question

Cli in! ow would you expect a competitive inhibitor to affect enzyme function? a. Raises Km without affecting Vmax, because infinite amounts of substrate would wash out the inhibitor. b. Raises Km without affecting Vr because there will always max be more substrate than enzyme c. Lowers max without affecting Km, because the enzyme still V binds well to its natural substrate. d. Lowers Vmax without affecting Km, because in the presence of the inhibitor, there is less effective enzyme Hint: if you continue to increase [S], could you reach Vmax?

Explanation / Answer

1. b. RaisesKm without affecting Vmax , becuse there will always be more substrate than enzyme.

2. c. lowers Vmax withoutaffecting Km, becausethe enzyme still binds well to its natural substrate.

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