Which of the following is NOT true of 2,4-dinitrophenol (DNP)?
A) It is an uncoupler.
B) It can be used to measure $\Delta$pH.
C) Unprotonated DNP can cross the membrane.
D) Protonated DNP can cross the membrane.
E) It dissipates the proton motive force.

Question

Quizplus · Accepted Answer

2,4-dinitrophenol (DNP) is an uncoupler that can uncouple oxidative phosphorylation in mitochondria, which leads to the dissipation of the proton motive force. Both protonated and unprotonated forms of DNP can cross the membrane. However, DNP is not used to measure F1F1F1S1F1F1F10pH, as it does not directly affect the proton gradient used to generate ATP.

Which of the Following Is NOT True of 2,4-Dinitrophenol (DNP) Δ\DeltaΔ

Which of the Following Is NOT True of 2,4-Dinitrophenol (DNP) $\Delta$