Which of the following best describes the specific gradients driving ATP synthesis in figures A and B? Figure A shows the proton gradient during oxidative phosphorylation in mitochondria, while figure B shows the proton gradient during photophosphorylation in chloroplasts. Figure A shows the NAD+ gradient during oxidative phosphorylation in mitochondria, while figure B shows the NADPH gradient during photophosphorylation in chloroplasts. Figure A shows the NAD+ gradient during the Krebs cycle and chemiosmosis in mitochondria, while figure B shows the NADPH gradient during the Calvin cycle and chemiosmosis in chloroplasts. Figure A shows the proton gradient during the Krebs cycle and chemiosmosis in mitochondria, while figure B shows the proton gradient during the Calvin cycle and chemiosmosis in chloroplasts.

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter3: The Plasma Membrane And Membrane Potential
Section: Chapter Questions
Problem 6UC
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Figures A and B show ion H+ flow across membranes and ATP generation through membrane-bound ATP synthase.

 

Which of the following best describes the specific gradients driving ATP synthesis in figures A and B?

Figure A shows the proton gradient during oxidative phosphorylation in mitochondria, while figure B shows the proton gradient during photophosphorylation in chloroplasts.
Figure A shows the NAD+ gradient during oxidative phosphorylation in mitochondria, while figure B shows the NADPH gradient during photophosphorylation in chloroplasts.
Figure A shows the NADgradient during the Krebs cycle and chemiosmosis in mitochondria, while figure B shows the NADPH gradient during the Calvin cycle and chemiosmosis in chloroplasts.
Figure A shows the proton gradient during the Krebs cycle and chemiosmosis in mitochondria, while figure B shows the proton gradient during the Calvin cycle and chemiosmosis in chloroplasts.
А
B
АТР
ADP + Pi
NADPH
NADP*
АТР
H*
H*
Synthase
Photons
H*
Membrane
Membrane
АТР
H*
Synthase
H*
H*
NADH
NAD* FADH,
FAD ADP + Pi ATP
2H* + }0, H,0
H,0
O, + 2H*
||
||
Transcribed Image Text:А B АТР ADP + Pi NADPH NADP* АТР H* H* Synthase Photons H* Membrane Membrane АТР H* Synthase H* H* NADH NAD* FADH, FAD ADP + Pi ATP 2H* + }0, H,0 H,0 O, + 2H* || ||
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