Which statement about gluconeogenesis is FALSE? Group of answer choices For starting materials, it can use carbon skeletons derived from certain amino acids. It consists entirely of the reactions of glycolysis, operating in the reverse direction. It employs the enzyme glucose 6-phosphatase. It is one of the ways that mammals maintain normal blood glucose levels between meals.
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- Which of the following is an inhibitor of gluconeogenesis? Group of answer choices: -ATP -ADP -citrate -acetyl CoAWhich of the following statements is TRUE about fatty acid biosynthesis? Group of answer choices: NADH is used as the reducing equivalent in the process. Malonyl ACP is the donor of the acetyl group. The product detaches from the fatty acid synthase complex when the chain length is usually 18 carbons. Oxaloacetate carries acetyl CoA to the cytosol.Which statement is FALSE concerning glycolysis? Group of answer choices It is activated by high [AMP]. It results in a net synthesis of ATP. It results in the synthesis of NAD+. None of the 11 intermediates in the glycolytic pathway are phosphorylated.
- Which of the following statements concerning gluconeogenesis is NOT true? a. Gluconeogenesis is to make glucose from glycogen. b. Many of the reactions of gluconeogenesis are glycolytic reactions going in reverse. c. The process of gluconeogenesis consumes ATP. d. The process of gluconeogenesis is regulated by ATP. e. Gluconeogenesis maintains the blood glucose level long after all dietary glucose has been absorbed and oxidized.Which of the following is a correct ranking of molecules with respect to their energy value in glycolysis (note: >means “greater than”)? (a) two pyruvates > one glucose (b) one glucose > one fructose-1,6-bisphosphate (c) twoglyceraldehyde-3-phosphates (G3P) > one glucose (d) two pyruvates > one fructose-1,6-bisphosphate (e) two pyruvates > two glyceraldehyde-3-phosphates (G3P)Which statement regarding glycolysis is TRUE? Group of answer choices Both substrate-level phosphorylation reactions in glycolysis are irreversible. The oxidation reaction in glycolysis produces two high-energy molecules. There are four isomerization reactions in glycolysis. One inorganic phosphate is consumed as a substrate for each glucose molecule metabolized via glycolysis.
- Which one of the following are correctly paired? a. glycogen synthesis: catabolic b. Glycogenolysis: catabolic c. Glycolysis: anabolic d. Gluconeogenesis: catabolic e. TCA cycle: anabolicMake a flowchart of the following steps in the catabolism of carbohydrates in order by which they occur:) The hydrolysis of starch The conversion of glucose to acetyl CoA The citric acid cycle The electron transport chain Oxidative phosphorylationWhat glycolytic intermediate is fructose converted to in the muscle, such that it can be utilized in glycolysis? Glucose 6-phosphate Fructose 6-phosphate Glyceraldehyde 3-phosphate Dihydroxyacetone phosphate
- Which carbons of Glucose 1-Phosphate will be incorporated into Lauric acid (C-12) by the Fatty Acid Synthase? (One or multiple answers) a. Carbon 1 b. Carbon 2 c. Carbon 3 d. Carbon 4 e. Carbon 5 f. Carbon 6 g. All carbons will be incorporated. h. No carbons will be incorporatedIf the brain needs glucose, then gluconeogenesis stops after reaction (9, 8, 10, 2) because (phosphoenolpyruvate, glucose, glucose-6-phosphaet, fructose-6-phosphate) can be exported from the hepatocyte using a transporter.Which of the following enzymes is found in gluconeogenesis but not in glycolysis? a. phosphohexose isomerase b. hexokinase c. fructose 1,6-bisphosphatase d. phosphoglycerate kinase