Multiple choice

Complex I is the first enzyme in the mitochondrial respiratory chain. Which of the following acts as an inhibitor of Complex I ?

  1. H2S

  2. Rotenone

  3. CO2

  4. N2O

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rotenone is an inhibitor which acts as a poison and blocks the electron transport chain. When it does so, glycolysis and the citric acid cycle eventually halt.