What Will NOT Occur When 2,4-Dinitrophenol (An Uncoupler of Oxidative

question 25

Multiple Choice

What will NOT occur when 2,4-dinitrophenol (an uncoupler of oxidative phosphorylation) is added to actively respiring mitochondria?

• A) The P:O ratio will increase.
• B) The rate of NADH reoxidation at Complex I will increase.
• C) The rate of oxidation of intermediates in the citric acid cycle will increase.
• D) Proton export from the matrix will occur.
• E) Heat will be released.