Oxidative Phosporylation
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| Why are the words “oxidative” and “phosphorylation” used to describe this process? | Oxidative refers to NADH donating its electron and phosphorylation refers to ADP being phosphorylated
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| What donates electrons to begin electron transport? | NADH
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| Where does glycolysis take place in the cell | In the cytosol
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| Where is pyruvate converted to acetyl CoA? | in the mitochondrial matrix
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| What complex does cyanide affect? | Cyanide binds to Complex lV and inhibits electron flow.
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| What was the substrate and product of the Kreb’s cycle generates FADH2? | Succinate
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| What donates electrons to complex lll? | Q
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| What does complex lll donate electrons to? | cytochrome c
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| What donates electrons to complex lV? | cytochrome c
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| How many protons are pumped through complex lV to reduce O2? | 4 protons
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| What are the three major sources of FAD? | B-oxidation of fatty acids, glycerol-3-p, succinate dehydrogenase
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| How many ATPs are produced from 1 NADH? | 2.5
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| What part of the ATP synthase binds protons? | Protons bind aspartate in which cause the c-subunit of Fo to rotate
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| What happens to F1 when electrons flow through the Fo pore ? | The a and B subunits go through a conformational change
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| What is the role of the gamma subunit in ATP synthesis? | When protons enter Fo the c-subunit and the gamma subunit rotate. The gamma subunit passes in between the a and B subunits of F1 and causes the conformational change.
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| How many ATP are synthesized from one rotation of ATP synthase? | 3 ATP
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| How many ATP and ADP are bound to ATP synthase at one time? | 1 ATP and 1 ADP (the lase set of a/B subunits is empty)
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bettyboucher
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