The electron transport chain in cellular respiration is a series of reactions that generate a proton gradient across the inner mitochondrial membrane. What is the primary role of the proton gradient in ATP production? (a) It directly drives ATP synthesis through enzyme action (b) It creates a chemiosmotic force that powers ATP synthase (c) It provides energy for the transport of molecules across the membrane (d) It contributes to the maintenance of the mitochondrial membrane potential

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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The electron transport chain in cellular respiration is a series of reactions that generate a
proton gradient across the inner mitochondrial membrane. What is the primary role of the
proton gradient in ATP production?
(a) It directly drives ATP synthesis through enzyme action (b) It creates a chemiosmotic force
that powers ATP synthase (c) It provides energy for the transport of molecules across the
membrane (d) It contributes to the maintenance of the mitochondrial membrane potential
Transcribed Image Text:The electron transport chain in cellular respiration is a series of reactions that generate a proton gradient across the inner mitochondrial membrane. What is the primary role of the proton gradient in ATP production? (a) It directly drives ATP synthesis through enzyme action (b) It creates a chemiosmotic force that powers ATP synthase (c) It provides energy for the transport of molecules across the membrane (d) It contributes to the maintenance of the mitochondrial membrane potential
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