Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Textbook Question
Chapter 19, Problem 22P
- Study Figure 19.18 and decide which of the following statements is false.
- Pyruvate dehydrogenase is inhibited by· NIADH.
- Pyruvate dehydrogenase is inhibited by AΤΡ.
- Citrate synthase is inhibited by NADH.
- Succinyl-CoA activates citrate synthase.
- Acetyl-CoA activates pyruvate carboxylase.
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Chapter 19 Solutions
Biochemistry
Ch. 19 - Radiolabeling with 14C-Glutamate Describe the...Ch. 19 - Prob. 2PCh. 19 - Assessing the Effect of Active-Site...Ch. 19 - Understanding the Mechanism of the -Ketoglutarate...Ch. 19 - Understanding the Action of Fluoroacetate on the...Ch. 19 - Prob. 6PCh. 19 - Prob. 7PCh. 19 - Prob. 8PCh. 19 - Prob. 9PCh. 19 - Prob. 10P
Ch. 19 - Prob. 11PCh. 19 - Prob. 12PCh. 19 - Prob. 13PCh. 19 - Prob. 14PCh. 19 - Prob. 15PCh. 19 - Prob. 16PCh. 19 - Understanding the Oxidation of Glucose and Its...Ch. 19 - Prob. 18PCh. 19 - Prob. 19PCh. 19 - Prob. 20PCh. 19 - Complete oxidation of a 16-carbon fatty acid can...Ch. 19 - Study Figure 19.18 and decide which of the...Ch. 19 - Prob. 23P
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- To begin the TCA cycle, pyruvate must be converted into acetyl-Coenzyme A (acetyl-CoA) by the enzyme complex of pyruvate dehydrogenase. This complex requires 5 different coenzymes to function properly. What are they?arrow_forwardIn the pyruvae dehydrogensae complex, acetyl-coa is released by the dihydrolipoyl transacetylase activity. What is the purpose of the following enzymatic activity.arrow_forwardElevated levels of acetyl-CoA will act as an effector for which of the following enzymes? more than one can be correct Pyruvate carboxylase. Pyruvate kinase Pyruvate dehydrogenase. Citrate synthase a-Ketoglutarate dehydrogenase.arrow_forward
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- The conversion of pyruvate to Acetyl-CoA involves an oxidative decarboxylation. Correct the path of the electrons through this mechanism: Pyruvate -> NAD -> lipoamide -> FAD -> TPParrow_forwardIf we label the two carbons composing the acetyl group of acetyl-CoA with 14C, a radioactive isotope of carbon, and this labeled acetyl-CoA enters the TCA cycle, then which CO2 released by one turn of the TCA cycle will be labeled? 1) Both. 2) Only the CO2 released by the oxidation of alpha-ketoglutarate. 3) Only the CO2 released by the oxidation of isocitrate. 4) Neither.arrow_forwardConsider the following fatty acyl-CoA: CH3CH2CH2CH2CH2CH2CH2CH2CH=CHCH2CH=CHCH2 CH2CH2CH2CO- S-COA (18 carbon atoms; 2 double bonds). Which of the following is the correct output of Acetyl-CoA, ATP, NADH, FADH2 following the beta-oxidation of the fatty acid? A 9; 9; 9; 7 B 9; 0; 8; 6 9; 0; 8; 7 D 9; 0; 6; 8 E) 8; 0; 8; 8arrow_forward
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