TCA Cycle
Which one is not the main protein in electron transport chain?

Cytochrome bc1 complex
Cytochrome oxidase
Citrate synthease
NADH dehydrogenase

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TCA Cycle
The catabolism of sugars and fatty acids is similar because

both of these compounds are funnelled through the TC A/citric acid cycle
All of these
both of these compounds generate chemical energy during catabolism
both of these compounds generate redox energy during catabolism

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TCA Cycle
Most multi-cellular organisms obtain energy for the synthesis of ATP during oxidative phosphorylation from

high energy phosphate compounds
a proton gradient across the outer mitochondrial membrane
a proton gradient across the cell membrane
a proton gradient across the inner mitochondrial membrane

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