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- Study Figure 19.18 and decide which of the following statements is false. Pyruvate dehydrogenase is inhibited by· NIADH. Pyruvate dehydrogenase is inhibited by AΤΡ. Citrate synthase is inhibited by NADH. Succinyl-CoA activates citrate synthase. Acetyl-CoA activates pyruvate carboxylase.Does the acetyl-CoA required for ketone body synthesis transport through the inner mitochondrial membrane?Indicate whether each of the following aspects of the carnitine shuttle system associated with the process of B oxidation occurs in the mitochondrial matrix or in the mitochondrial intermembrane space. a. Acyl CoA is reactant b. Carnitine enters the inner mitochondrial membrane. c. Carnitine is covered to acyl carnitine. d. Free CoA is reactant
- How many ATPs does the respiratory cahin generate from all the NADH molecule produced from the complete oxidation of one molecule of glucose?If 30 molecules of acetyl CoA enter into the mitochondria in the presence of O2, how many molecules of ATP will be formed through oxidative phosphorylation?How come high levels of NADH indicate reduced coenzymes rather than oxidized coenzymes? Isn't pyruvate oxidized by the reduction of NAD+ to NADH? Why is the answer reduced then?
- What Is the P/O Ratio for Mitochondrial OxidativePhosphorylation?What enzyme produces the compound that inhibits the movement of fatty acyl-CoA into the mitochondrial matrix to undergo oxidation? a)citrate b)malonyl-CoA c)citrate synthase d)carnitine acyltransferase I e)Acetyl-CoA carboxylaseHow many cycles of "citric acid cycle" are necessary to reveal the "C" that come from acetyl-CoA that take place in the first cycle known as "CO2"?
- What is the common metabolic pathway of Acetyl-CoA, the TCA Cycle, and the Electron Transport Chain (ECT).? Explain the process involved.To form malate, what does NADH in the mitochondrial matrix serve as? Electron donor or acceptor?How is energy carried from glucose into the mitochondrial electron transport chain? Why is oxygen necessary for oxidative phosphorylation and cellular respiration? Compare and contrast the metabolic fate of pyruvate when oxygen is present or absent.