. The presence of uncoupling proteins allows _______ energy from the mitochondri

Question

. The presence of uncoupling proteins allows _______ energy from the mitochondrial electron transport chain to be used for ATP synthesis and ______ for the production of heat. A. less; more B. all; none C. more; less 9. Proton flow through the ATP synthase enzyme: A. results in the release of ATP from its tightly bound state in the active site. B. produces local pH changes in the active site which alter the equilibrium constant for the reaction. C. provides the energy for adding a phosphate to ADP to make ATP. 10. The uncoupler dinitrophenol (DNP) prevents ATP synthesis while allowing electron transport to proceed because: A. DNP prevents the buildup of a proton gradient by altering the electron transfer complexes such that they no longer pump protons. B. DNP is capable of transporting protons across the membrane, dissipating the proton gradient. C. DNP binds to the ATP synthase and acts as an inhibitor of the enzyme.

Explanation / Answer

A. less; more

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