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Concept explainers
(a)
Interpretation: To determine the number of ATP molecules that are produced from the complete oxidation of 1 glucose molecule during the glycolysis process.
Concept introduction: In the glycolysis
Adenosine triphosphate (ATP) is a molecule that is defined as the energy currency of life and provides energy to carry out the metabolic processes in the living cells.
(b)
Interpretation: To determine the number of ATP molecules that are produced from the complete oxidation of 1 glucose molecule during the oxidation of pyruvate.
Concept introduction: Pyruvate is the end product in the glycolysis. The production of the fate of pyruvate varies with the nature of the organism and the cellular conditions. The common fates of pyruvate are as follows:
Adenosine triphosphate (ATP) is a molecule that is defined as the energy currency of life and provides energy to carry out the metabolic processes in the living cells.
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Chapter 24 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Match the coenzymes and/or substrates with their corresponding glycolytic enzymes. Note that an enzyme can match with more than one coenzyme or substrate in the list. ATP NAD+ Dihydroxyacetone phosphate A. Glucose 1-dehydrogenase B. Phosphofructokinase-1 C. Glyceraldehyde 3-phosphate dehydrogenase D. ATPase E. Triose phosphate isomerasearrow_forwardDuring glycolysis there are two hexoses in the pathway. a. What are these two hexoses? b. What are the two phosphorylated products? What is the energy cost to phosphorylate them? C.arrow_forwardGlyceraldehyde 3-phosphate dehydrogenase is used to do which of the following steps of glycolysis Select one: a. 1,3 Bisphosphoglycerate is converted to 3-phosphoglycerate b. Phosphoenolpyruvate is converted to pyruvate c. 2-phosphoglycerate is converted to Phosphoenolpyruvate d. Glyceraldehyde-3-phosphate is converted to 1,3 Bisphosphoglycerate e. Fructose-6-phosphate is converted to Fructose-1,6,bisphosphate f. Dihydroxyacetone (Glycerone Phosphate) is converted to Glyceraldehyde-3-phosphate g. Fructose-1,6 Bisphosphate is converted to Dihydroxyacetone and Glyceraldehyde-3-phosphate h. Glucose-6-phosphate is converted to Fructose-6-phosphate i. 3-phosphoglycerate is converted 2-phosphoglycerate j. Glucose is converted to Glucose-6-phosphatearrow_forward
- The ATP produce in the citric acid cycle is by substrate-level phosphorylation. * A. True B. Falsearrow_forwardA total of 32 mol of ATP can be produced by the complete oxidation of 1 mol of glucose in the liver. Indicate the number of these moles of ATP produced by a. glycolysis b. the citric acid cycle c. the electron transport chain and oxidative d. phosphorylationarrow_forwardIn the last step of glycolysis, phosphoenolpyruvate (PEP) is converted to pyruvate and during this reaction ATP is synthesized. Based on the fact that ATP is synthesized, which of the following enzymes would most likely catalyze this reaction? a. enolase b. pyruvate kinase c. aldolase d. pyruvate isomerase e. pyruvate dehydrogenasearrow_forward
- Which of the following is NOT a component of the pyruvate dehydrogenase complex? a. dihydrolipoyl dehydrogenase b. dihydrolipoyl transacetylase c. pyruvate dehydrogenase d. dihydrolipoyl catalasearrow_forwardWhich of the following enzymes is the key regulatory step in glycolysis? Phosphofructiokinase-1 is the answer. Explain? A. Phosphoglucose Isomerase B. Phosphofructokinase-1 C. Pyruvate Kinase D. Hexokiase E. Phosphofructokinase-2 ...Why is Phosphoglucose Isomerase wrong?arrow_forwardWhich intermediates of glycolysis are used to generate ATP by substrate-level phosphorylation? a. Fructose-1,6-bisphosphate b. Glyceraldehyde-3-phosphate c. 1,3-Bisphosphoglycerate d. 2-Phosphoglycerate e. Phosphoenolpyruvatearrow_forward
- Which of the following statements is true about the citric acid cycle a. The Citric Acid Cycle is an 8-step cycle that produces the most electron carrier molecules throughout the process of cellular respiration. b. In Citric Acid Cycle, both the acetyl group and coenzyme A of Acetyl CoA are combined to oxaloacetate. c. In Citric Acid Cycle, glucose is only partially broken down and there are still remnants of glucose after this process. d. The ATP produced during this process is via oxidative phosphorylationarrow_forwardWhich coenzyme is not a Pyruvate Dehydrogenase Complex (PDH) requirement? O a. thiamine pyrophosphate O b. Coenzyme A O C. NAD+ O d. biotin Oe. FADarrow_forwardIf glycerol-3-phosphate shuttle is active, calculate the number of ATP produced from the complete oxidation of: a. cerotic acidb. heptadecanoic acidc. palmitoleic acidarrow_forward
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