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- What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.The cholesterol synthesized by cells uses which component of the glycolytic pathway as a starting point? a. glucose b. acetyl CoA c. pyruvate d. carbon dioxideWhich of the given process does not occur in mitochondria? a.Formation of acetyl CoA b.Oxidation of NADH + Ht c.Citric acid formation d.Conversion of pyruvic acid to acetaldehyde
- Which of these is not true of the citric acid cycle?a. The citric acid cycle includes the prep reaction.b. The citric acid cycle produces ATP by substrate-level ATPsynthesis.c. The citric acid cycle occurs in the mitochondria.d. The citric acid cycle produces two ATP per glucose molecule.What products of glucose oxidation are essential for oxidative phosphorylation? answer choices A.) NADPH and ATP B.) NADH and FADH2 C.) Pyruvate D.) Acetyl CoADuring the citric acid (Krebs) cycle, the energy from acetyl-CoA is captured in which molecules? CHOOSE ALL THAT APPLY. A)Hydrogen Atoms B)Pyruvate C)ATP D)Carbon Dioxide E)Reduced electron carriers
- ___ molecules of ATP are ultimately formed per every acetyl-CoA that enters the citric acid cycle and the remaining ATP molecules are generated via the ___ of NADH and FADH2. A) Nine; oxidation B) Ten; reduction C) Ten; oxidation D)Nine; reductionThe consumption of acetyl-CoA by the citric acid cycle is DECREASED under which condition? A. the concentration of NAD+ being high B. the concentration of oxaloacetate being high C. NADH being rapidly re-oxidized via the electron-transport chain D. the mitochondrial ATP synthase being inactive E. the concentration of both NAD+ and oxaloacetate being highBefore pyruvate enters the citric acid cycle, it is decarboxylated, oxidized, and combined with coenzyme A, forming acetyl CoA, carbon dioxide, and one molecule of (a) NADH (b) FADH2 (c) ATP (d) ADP (e) C6H12O6
- NAD is reduced in which Citric Acid cycle reaction? (a) Isocitrate to oxaloacetate (b) alpha-ketoglutarate to Succinyl CoA (c) Malate to oxaloacetate (d) Succinate to fumarate (e) Oxaloacetate to CitrateWhich stage of cellular respiration DOES NOT produce NADH? A. oxidative phosphorylation B. pyruvate oxidation C. glycolysis D. Krebs cycleWhich process does not generate CO2? A. the citric acid cycle B. the conversion of pyruvate to lactic acid C. the conversion of pyruvate to acetyl-CoA D. the conversion of pyruvate to ethanol
