The number of moles of NADH produced when 2 moles of glucose undergoes glycolysis and then citric acid cycle Select the correct response: 14 16 10 8. none of the above
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- The co-enzyme that helps in the removal of carbon dioxide from pyruvate during the PDH mechanism is Pyruvate oxidative decarboxylase CoA NAD+ Thiamine PyrophosphateWhich of the following should inhibit the PDC by feedback inhibition? Choose all that apply. NADH NAD+ CoASH Acetyl-CoA Pyruvate Glucose 6-phosphateWhich of the following glycolytic enzymes neither produces nor consumes ATP? A. phosphofructokinaseB. triose phosphate isomeraseC. pyruvate kinaseD. phosphoglycerate kinaseE. hexokinase
- Which of the following compounds involved in aerobic respiration can originate from the breakdown of proteins? Select all that apply. Citric acid cycle intermediates Acetyl-CoA Pyruvate PGALWhich of the following is a negative regulator of the pyruvate dehydrogenase complex (PDC)? 1. acetyl CoA 2. ADP 3. pyruvate 4. citrateWhich of the following products of the non-oxidative stage of PPP is an intermediate in the glycolysis pathway? Group of answer choices Glyceraldehyde-3-phosphate Xylulose-5-phosphate Erythrose-4-phosphate Ribose-5-phosphate
- Which of these is associated with production of ATP during glycolysis? (Select all that apply) a) Conversion of 1,3-BPG to 3PG b) Conversion of 1,3-BPG to 2,3-BPG c) Conversion of PEP to pyruvate d) Conversion of 2,3-BPG to 2PG e) Phosphorylation of glucoseWhich of the following reactions/ pathways does NOT produce NADH? Payoff phase of glycolysis Oxidative deamination of glutamine β-oxidation of fatty acid Conversion of pyruvate to lactate Conversion of pyruvate to acetyl CoAWhich reaction in glycolysis produces ATP as a product? Group of answer choices hexokinase glyceraldehyde-3-phosphate dehydrogenase pyruvate kinase aldolase
- The Krebs cycle converts ________ through a cycle ofreactions. In the process, ATP, ________, and ________ areproduced.a. acetyl CoA; FAD, NADb. acetyl CoA; FADH2; NADHc. pyruvate; NAD; FADH2d. pyruvate; oxygen; oxaloacetateWhich of the following conditions indicates a low cellenergy status? What impact does each of the followingconditions have on flux through the citric acid cycle?a. high NADH/NAD+ ratiob. high ATP/ADP ratio c. high acetyl-CoA concentrationd. low citrate concentratione. high succinyl-CoA concentrationAssuming that the glycerol 3-phosphate shuttle is operative, a complete oxidation of five molecules of glucose (by a eukaryotic cell) into carbon dioxide and water would produce approximately _________ ATP molecules via oxidative phosphorylation only. (Consider NADH = 2.5 ATP and FADH2 = 1.5 ATP)