Upon the Addition of 2,4-Dinitrophenol (DNP) to a Suspension of Mitochondria

Multiple Choice

Upon the addition of 2,4-dinitrophenol (DNP) to a suspension of mitochondria carrying out oxidative phosphorylation linked to the oxidation of malate, what does NOT occur?

A) Oxygen consumption decreases.
B) Oxygen consumption increases.
C) The P/O ratio drops from a value of approximately 2.5 to 0.
D) The proton gradient dissipates.
E) The rate of transport of electrons from NADH to O₂ becomes maximal.