Multiple choice

Which of the following is a biological uncoupler of oxidative phosphorylation?

  1. Thermogenin

  2. 2, 4-Dintrophenol

  3. 2, 4-Dichlorophenoxyacetic acid

  4. Ethylenediaminetetraacetic acid
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Thermogenin (UCP1) is a biological uncoupling protein that dissipates proton gradient across mitochondrial inner membrane, generating heat instead of ATP. 2,4-Dinitrophenol is a chemical uncoupler but not listed. The other options have different functions.

Keep practicing — related questions