Which enzyme is NOT involved in the regulation of the citrate cycle? A) a-ketoglutarate dehydrogenase B)...
11. Which enzyme is NOT part of the TCA cycle? A. Citrate synthase B. Succinate dehydrogenase C. alpha-ketoglutarate dehydrogenase D. Aconitase E. Pyruvate dehydrogenase
Which enzyme in the citric acid cycle is responsible for catalyzing the rate-limiting step? Alpha-ketoglutarate dehydrogenase Isocitrate dehydrogenase Citrate synthase Malate dehydrogenase
1. The enzyme responsible for the substrate level phosphorylation in the citric acid cycle is: a succinate dehydrogenase b. a-ketoglutarate dehydrogenase c. succinyl thiokinase d. isocitrate dehydrogenase e. aconitase 2. Which of the listed enzymes of the TCA cycle does not represent a regulatory enzyme?: a. isocitrate dehydrogenase b. succinate dehydrogenase c. malate dehydrogenase d. a-ketoglutarate dehydrogenase complex e. citrate synthase 3. Oxidative decarboxylation of pyruvic acid is regulated by: a. cyclic AMP-dependent mechanism b. cyclic AMP-independent mechanism 4. The...
the citric acid cycle has 8 enzymes: citrate synthase, aconitase, isocitrase dehydrogenase,.... 1 Jom L C Tegulation TCA cycle (Ch. 16) 1. The citric acid cycle has eight enzymes: citrate synthase, aconitase, isocitrate dehydrogenase, a-ketoglutarate dehydrogenase, succinyl-CoA synthetase, succinate dehydrogenase, fumarase, and malate dehydrogenase. (a) Write a balanced equation for the reaction catalyzed by each enzyme. (b) Name the cofactor(s) required by each enzyme reaction. (c) For each enzyme determine which of the following describes the type of reaction(s) catalyzed:...
9. Which of the listed enzymes of the TCA cycle is regulated by phosphorylation/dephosphorylation cycle ? :a. isocitrate dehydrogenase b. succinate dehydrogenase c. malate dehydrogenase d. α-ketoglutarate dehydrogenase complex\}c. citrate synthase10. Name the enzyme catalyzing the following reaction:a. PEP carboxykinaseb. pyruvate kinasec. malic enzymed. pyruvate carboxylase11. Name the enzyme that catalyzes the reaction:glyoxylate +CH3CO-SCoA → malate + HSCoAa. malate synthaseb. succinate thiokinasec. aconitased. isocitrate
Which enzymes require thiamine as a co-factor A. Isocitrate dehydrogenase and citrate synthase B. Malate dehydrogenase and alpha-ketoglutarate dehydrogenase C. Pyruvate dehydrogenase and isocitrate dehydrogenase D. Pyruvate dehydrogenase and succinyl-CoA synthetase E. Succinate dehydrogenase and pyruvate dehydrogenase
Please help 5. The following questions relate to the citrate cycle. 6 a. Match the letters to the citrate cycle intermediates b. Match thenumbers to the citrate cycle enzymes Aconitase Citrate synthase a-Ketoglutarate dehydrogenase Malate dehydrogenase Succinate dehydrogenase Succinyl-CoA synthetase ....Fumarase Isocitrate dehydrogenase. c. Match the numbers to the reaction type for each enzyme. condensation isomerization oxidation hydration hydrolysis, substrate level phosphorylation oxidative decarboxylation
Part B Use the structures given in the cycle shown before this part identify the enzymes involved in each step of the citric acid cycle by completing each sentence Match the words in the left column to the appropriate blanks in the sentences on the right. View Available Hint(s) Reset Help isocitrate dehydrogenase aconitase citrate synthase fumarate hydratase succinate dehydrogenase succinyl-CoA synthetase a-ketoglutarate dehydrogenase malate dehydrogenase In step 1, oxaloacetate condenses with acetyl-CoA to form citrate, which is catalyzed by...
12. Which enzyme catalyzes the reaction shown? Oo 9% a. succinyl-CoA synthetase b. succinate dehydrogenase c. pyruvate dehydrogenase d、a-ketoglutarate dehydrogenase 13. Which of the reactions of the citric acid cycle requires FAD as a coenzyme? a. the conversion of isocitrate to a-ketoglutarate b. the conversion of citrate to isocitrate c. the conversion of succinate to fumarate d. the conversion of malate to oxaloacetate 14. Another name for Complex I in the electron transport chain is a. cytochrome c oxidase. b....
9. Which of the listed enzymes of the TCA cycle is regulated by phosphorylation/dephosphorylation cycle ? : a. isocitrate dehydrogenase b. succinate dehydrogenase c. malate dehydrogenase d. a-ketoglutarate dehydrogenase complex e. citrate synthase 10. Name the enzyme catalyzing the following reaction: COOH + GTP - PEP + CO2 + GDP C=0 CH2 COOH a. PEP carboxykinase b. pyruvate kinase d. pyruvate carboxylase c. malic enzyme 11. Name the enzyme that catalyzes the reaction: glyoxylate + CH3CO-SCOA -- → malate +...