Biochemistry
9th Edition
ISBN: 9781305961135
Author: Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher: Cengage Learning
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Chapter 19, Problem 35RE
REFLECT AND APPLY How does an increase in the ADP/ATP ratio affect the activity of isocitrate dehydrogenase?
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Chapter 19 Solutions
Biochemistry
Ch. 19 - RECALL Which pathways are involved in the...Ch. 19 - RECALL How many ATPs can be produced from one...Ch. 19 - RECALL What are the different names used to...Ch. 19 - Prob. 4RECh. 19 - Prob. 5RECh. 19 - Prob. 6RECh. 19 - Prob. 7RECh. 19 - RECALL What three molecules produced during the...Ch. 19 - RECALL How many enzymes are involved in mammalian...Ch. 19 - RECALL Briefly describe the dual role of lipoic...
Ch. 19 - Prob. 11RECh. 19 - Prob. 12RECh. 19 - Prob. 13RECh. 19 - Prob. 14RECh. 19 - RECALL Why is the reaction catalyzed by citrate...Ch. 19 - RECALL What does it mean when an enzyme has the...Ch. 19 - Prob. 17RECh. 19 - RECALL With respect to stereochemistry, what is...Ch. 19 - Prob. 19RECh. 19 - Prob. 20RECh. 19 - Prob. 21RECh. 19 - RECALL What are the similarities and differences...Ch. 19 - Prob. 23RECh. 19 - Prob. 24RECh. 19 - Prob. 25RECh. 19 - RECALL Why can we say that production of a GTP is...Ch. 19 - Prob. 27RECh. 19 - RECALL ATP is a competitive inhibitor of NADH...Ch. 19 - RECALL Is the conversion of fumarate to malate a...Ch. 19 - REFLECT AND APPLY We have seen one of the four...Ch. 19 - Prob. 31RECh. 19 - Prob. 32RECh. 19 - Prob. 33RECh. 19 - Prob. 34RECh. 19 - REFLECT AND APPLY How does an increase in the...Ch. 19 - REFLECT AND APPLY How does an increase in the...Ch. 19 - Prob. 37RECh. 19 - Prob. 38RECh. 19 - Prob. 39RECh. 19 - Prob. 40RECh. 19 - REFLECT AND APPLY How could the expression milking...Ch. 19 - Prob. 42RECh. 19 - Prob. 43RECh. 19 - Prob. 44RECh. 19 - BIOCHEMICAL CONNECTIONS Why is it possible for...Ch. 19 - RECALL Describe the various purposes of the citric...Ch. 19 - REFLECT AND APPLY The intermediates of glycolysis...Ch. 19 - Prob. 48RECh. 19 - REFLECT AND APPLY Many soft drinks contain citric...Ch. 19 - RECALL NADH is an important coenzyme in catabolic...Ch. 19 - BIOCHEMICAL CONNECTIONS What are the anaplerotic...Ch. 19 - REFLECT AND APPLY Why is acetyl-CoA considered the...Ch. 19 - Prob. 53RE
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- REFLECT AND APPLY Does the net gain of ATP in glycolysis differ when glycogen, rather than glucose, is the starting material? If so, what is the change?arrow_forwardREFLECT AND APPLY The malate-aspartate shuttle yields about 2.5 moles of ATP for each mole of cytosolic NADH. Why does nature use the glycerol-phosphate shuttle, which yields only about 1.5 moles of ATP?arrow_forwardREFLECT AND APPLLY High levels of glucose-6-phosphate inhibit glycolysis. If the concentration of glucose-6-phosphate decreases, activity is restored. Why?arrow_forward
- REFLECT AND APPLY Explain how the pentose phosphate path- way can respond to a cells need for ATP, NADPH, and ribose-5- phosphate.arrow_forwardREFLECT AND APPLY How does the hydrolysis of fructose-1,6-bisphosphate bring about the reversal of one of the physiologically irreversible steps of glycolysis?arrow_forwardREFLECT AND APPLY There is a reaction in carbohydrate meta- bolism in which glucose-6-phosphate reacts with NADP+ to give 6-phosphoglucono- -lactone and NADPH. In this reaction, which substance is oxidized, and which is reduced? Which substance is the oxidizing agent, and which is the reducing agent?arrow_forward
- REFLECT AND APPLY Explain how phosphorylation is involved in the function of the sodiumpotassium ATPase.arrow_forwardREFLECT AND APPLLY Show how the estimate of 33% efficiency of energy use in anaerobic glycolysis is derived.arrow_forwardREFLECT AND APPLY How does an increase in the NADH/NAD1 ratio affect the activity of pyruvate dehydrogenase?arrow_forward
- REFLECT AND APPLY What is the relationship between a transition-state analog and the induced-fit model of enzyme kinetics?arrow_forwardREFLECT AND APPLY The following half reactions play important roles in metabolism. 1/2O2+2H++2eH2ONADH+H+NAD++2H++2e Which of these two is a half reaction of oxidation? Which one is a half reaction of reduction? Write the equation for the overall re- action. Which reagent is the oxidizing agent (electron acceptor)? Which reagent is the reducing agent (electron donor)?arrow_forwardREFLECT AND APPLLY What is the metabolic advantage in the conversion of glucose to lactate, in which there is no net oxidation or reduction?arrow_forward
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