Match the description with the correct enzyme :A. Glucose 6-phosphate dehydrogenaseServes a as a direct link between citric acid cycle and electron transportchainB. Succinate dehydrogenasev Uses alpha-keto carboxylic acid as a substrateC. Alcohol dehydrogenaseDoes not contribute electron carriers to oxidative phosphorylationD. NADH dehydrogenaseE. Isocitrate dehydrogenaseF. Pyruvate dehydrogenase complex

Glycolysis and the citric acid cycle—that generate ATP. The majority of the ATP produced during the…

Answered: Match the description with the correct…

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter18: Glycolysis

Section: Chapter Questions

Problem 1P: Characterizing Glycolysis List the reactions of glycolysis that a. are energy consuming (under...

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Beside each compound listed, indicate what stage or stages of cellular respiration it is associated with by placing an 'X' in each applicable box. Compound Glycolysis Pyruvate Oxidation Kreb's Cycle ETC/Chemiosmosis a. ATP b. Acetyl-CoA c. Citric Acid d. Coenzyme A e. Glucose f. Pyruvate g. FADH2 h. ATP synthase i. CO2 j. H2O k. O2
myristic acid (14:0) to carbon dioxide and watera. rounds of the beta oxidation pathway will be involvedb. how many moles of acetyl CoA will be produced after complete beta oxidationc. how many moles of ATP will be obtained after complete beta oxidation
Cyanide is a chemical that irreversibly binds to (i.e. prevents the functioning of) the enzyme cytochrome oxidase, an important enzyme in the electron transport system. a) Explain, at the cellular level, why cyanide is a lethal chemical. b) Suggest at least one other cellular consequence of cyanide (i.e. what else happens to the electron transport system when cyanide is present), and an explanation of this effect.
Select the correct statement for pyruvate dehydrogenase (a) Catalyses oxidative decarboxylation (b) Requires coenzymes like NAD+ (c) Require cofactor Mg++ a.Only b b.Only b and c c.Only c d.All a,b and c
The first reaction in glycolysis that results in the formation of an energy-rich compound (i.e., a compound whose hydrolysis or oxidation has a highly negative ΔG'°) is catalyzed by: a. glyceraldehyde 3-phosphate dehydrogenase. b. hexokinase. c. phosphofructokinase-1. d. phosphoglycerate kinase. e. triose phosphate isomerase.
Complete the table below. Consider docosanoic acid (C21H43CO2H) Questions Solutions Answers a. Label the alpha and beta carbons. b. Draw the acetyl CoA derived from this fatty acid. c. How many acetyl CoA molecules are formed by complete B-oxidation? d. How many cycles of B-oxidation are needed for complete oxidation? e. How many molecules of ATP are formed from the complete catabolism of this fatty acid?
The ATP produce in the citric acid cycle is by substrate-level phosphorylation. * A. True B. False
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 phosphorylation
CHOOSE THE CORRECT LETTER 1.What kind of cells often use the glycerol-phosphate shuttle?A.brainB. heartC.liverD. kidney 2.What is the net ATP yield of the complete glycolysis of 5 molecules of glucose?A. 4B. 5C. 10D. 12 3.Which of the following substrates is used in the first oxidation step of the Kreb's cycle to produce NADH and COy?A. isocitrateB. a-ketoglutarateC. citrateD. succinyl-CoA
CHOOSE THE CORRECT LETTERHow many cycles of B-oxidation are necessary to completely oxidize 3 molecules stearic acid (C18H3602)?A. 24B. 18C. 27D. 21
What is the P:O ratio for electrons entering the electron-transport chain that originate from reoxidation of acyl-CoA dehydrogenase? A. greater than the P:O ratio for NADH reoxidation B. approximately the same as the P:O ratio for NADH reoxidation C. less than the P:O ratio for NADH reoxidation but more than the P:O ratio for Complex II reoxidation D. approximately the same as the P:O ratio for Complex II reoxidation E. less than the P:O ratio for Complex II reoxidation
Explain the advantage to the cell of each of the following regulatory actions: a. The pyruvate dehydrogenase complex (PDC) is inhibited by ATP.b. Isocitrate dehydrogenase is stimulated by ADP.c. Pyruvate carboxylase is stimulated by acetyl-CoA.d. Citrate synthase is inhibited by NADH.e. PDC is inhibited by fatty acids

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