Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

The enzyme succinate dehydrogenase is unique because:
Options
A It functions in both the Krebs cycle and ETC
Correct Answer
B It catalyzes glycolysis
C It transports DNA
D It’s part of Complex IV
Correct Answer

Option A is the correct answer.

Detailed Explanation

Succinate dehydrogenase is an enzyme in the Krebs cycle that converts succinate to fumarate (reducing FAD to FADH2). It is also known as Complex II of the electron transport chain, where it transfers those electrons from FADH2 to ubiquinone.

Hint

It has a dual citizenship in two major metabolic pathways.

Question Info