Figures A and B show ion H+ flow across membranes and ATP generation through membrane-bound ATP synthase.
Figure A shows the proton gradient during oxidative phosphorylation in mitochondria. Figure B shows the proton gradient during photophosphorylation in chloroplasts.
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.
