Evidence for Chemiosmotic Coupling as the Mechanism for Oxidative Phosphorylation

question 20

Multiple Choice

Evidence for chemiosmotic coupling as the mechanism for oxidative phosphorylation is based on the observation that

• A) mitochondrial membrane fragments without compartmentalization can carry out oxidative phosphorylation
• B) submitochondrial preparations that contain closed vesicles can carry out oxidative phosphorylation
• C) many different kinds of substances can serve as uncouplers
• D) it has proved impossible to duplicate the process in model systems

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