M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:

A particular enzyme-substrate complex is under investigation. A certain molecule is noted to have inhibitory effects on the uptake of substrate by the enzyme. Under further testing, it is noted that the shape of the enzyme without the inhibitor is slightly pentagonal, while with the inhibitor, the enzyme is cuboidal. This inhibitor is likely a(n)

A

Irreversible inhibitor

B

Competitive inhibitor

C

Noncompetitive inhibitor

D

None of the above