Biochem Exam 2 Possible Questions With Answers
1. Which enzyme is considered part of TCA and ETC? a. Malate dehydrogenase b. Citrate synthase c. Isocitrate dehydrogenase d. NADH- ubiquinone oxidoreductase e. FADH2- ubiquinone oxidoreductase 2. A solution at pH [REDACTED] contains a weak acid, HA. The pKa of the acid Is [REDACTED]. What is the ratio of [A]:[HA]? 3. In mitochondria, what is the expected pH of the matrix compared to the intermembrane space? a. More acidic b. The same c. More neutral d. More basic e. Greater proton concentration 4. Compound C gives electrons to compound D, then compound D is a(n) ____ and compound C is _____ a. Oxidant, reductant b. Reductant, oxidant c. Oxidized, reduced d. Reduced, oxidized 5. When compound C gives electrons to Compound D, then Compound D was _______and Compound C was ______ a. Oxidant, reductant b. Reductant, oxidant c. Oxidized, reduced d. Reduced, oxidized 6. What provides the energy to the ATP synthase for the formation of ATP? a. Electron flow b. Proton flow c. GTP d. Phosphoryl transfer e. Equilibrium shift (km change)
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