i C-S-COA CH₂ H₂C-C-OH CH₂ Coo W A B CH₂-OH I CH₂ H3C-C-OH CH₂ coo- Y HS-COA A. The reaction is shared by ketone body synthesis and cholesterol biosynthesis B. The chemical in box B is NAD+ C. The reaction predominantly occurs in the liver D. All of the above E. None of the above
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which statement is true for the following reaction?
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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.Which of the following intermediates are shared by ketone body synthesis and cholesterol biosynthesis? a) HMG-CoA b) Mevalonate c) Bothaandb d) NeitheranorbWhich of the following statements is true for the shown reaction? The reaction is shared by ketone body synthesis and cholesterol biosynthesis The chemical in box B is NAD+ The reaction predominantly occurs in the liver All of the above None of the above
- What is the likely substrate of α ketoglutatrate dehydrogenase? A) water B) alpha ketoglutatrate C) protons D) ketoacidsWhich of the following statements is true for the shown reaction? The reaction requires vitamin B1 A decrease in the ratio of NADH/NAD+ inhibits the reaction The only fate of the product Y is to be converted to succinyl-CoA All of the above None of the aboveGluconeogensis uses nearly all of the same enzymes as those in ____, and is a(an) ______ reaction. Select one: a. Citric Acid Cycle anabolic b. citric acid cycle, catabolic c. glycolysis, anabolic d. glycolysis, catabolic e. none of the above
- Which of the following is NOT produced during the reactions of acetyl-CoA formation? (only one choice is correct) A. Acetyl CoA B. Electrons C. CO2 D. ATPWhich of the following reactions correspond to the decarboxylation step during ketone body formation? A. 2 acetyl-CoA → acetoacetyl-CoA B. ß-hydroxybutarate → acetoacetate C. Acetoacetate → acetone D. HMG-CoA → mevalonateChoose one for each in the sentence: A(n) (hydrolysis, oxidation reduction, group transfer, isomerization, internal rearrangment) reaction converts palmitoyl‑CoA to trans‑Δ2‑enoyl‑CoA. This reaction requires (dehydrogenase and NAD+, isomerase and NADH, isomerase and NAD+, dehydrogenase and NADH) and also produces (H2O, NAD+ and H+, NADH and H+).
- Which of the following doesn’t occur in the transition reaction? Pyruvic acid is oxidized Pyruvic acid is decarboxylated Pyruvic acid is reduced Acetic acid attaches to coenzyme A to form Acetyl CoAwhich of the following glycolytic reactions is an oxidation? a) G3P to 1,3-BPG b) PEP to Pyr c) lactic acid fermentation under anaerobic conditions d) condensation of acetate with OAA e) succinate decarboxylase reactionHow many ATP may be produced from 1 mole of the following compounds on complete oxidation using the glycerol-3-phosphate shuttle? COMPOUNDSa.) Mannoseb.) Dihydroxyacetone phosphatec.) Citrated.) Malatee.) Succinate