Biochemistry
9th Edition
ISBN: 9781305961135
Author: Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher: Cengage Learning
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Textbook Question
Chapter 21, Problem 29RE
RECALL Outline the steps involved in the production of malonyl-CoA from acetyl-CoA.
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Chapter 21 Solutions
Biochemistry
Ch. 21 - REFLECT AND APPLY (a) The major energy storage...Ch. 21 - RECALL What is the difference between...Ch. 21 - RECALL How are lipases activated hormonally?Ch. 21 - RECALL What is the metabolic purpose of linking a...Ch. 21 - RECALL Outline the role of carnitine in the...Ch. 21 - RECALL What is the difference between the type of...Ch. 21 - RECALL Draw a six-carbon saturated fatty acid and...Ch. 21 - REFLECT AND APPLY Why does the degradation of...Ch. 21 - REFLECT AND APPLY Given the nature of the hormonal...Ch. 21 - RECALL Compare the energy yields from the...
Ch. 21 - RECALL Which generates more ATPthe processing of...Ch. 21 - MATHEMATICAL Calculate the ATP yield for the...Ch. 21 - REFLECT AND APPLY It is frequently said that...Ch. 21 - RECALL Describe briefly how -oxidation of an...Ch. 21 - RECALL You hear a fellow student say that the...Ch. 21 - RECALL What are the unique enzymes needed to...Ch. 21 - RECALL What are the unique enzymes needed to...Ch. 21 - MATHEMATICAL Calculate the net ATP yield from the...Ch. 21 - MATHEMATICAL Calculate the net ATP yield from...Ch. 21 - MATHEMATICAL Calculate the net ATP yield from...Ch. 21 - REFLECT AND APPLY How many cycles of -oxidation...Ch. 21 - REFLECT AND APPLY It has been stated many times...Ch. 21 - RECALL Under what conditions are ketone bodies...Ch. 21 - RECALL Briefly outline the reactions involved in...Ch. 21 - REFLECT AND APPLY Why might a doctor smell the...Ch. 21 - REFLECT AND APPLY Why might a person who is an...Ch. 21 - REFLECT AND APPLY A friend who is trying to lose...Ch. 21 - RECALL Compare and contrast the pathways of fatty...Ch. 21 - RECALL Outline the steps involved in the...Ch. 21 - RECALL What is the metabolic importance of...Ch. 21 - RECALL In fatty acid degradation, we encounter...Ch. 21 - RECALL How are the two redox reactions of...Ch. 21 - RECALL How is ACP similar to coenzyme A? How is it...Ch. 21 - RECALL What is the purpose of having ACP as a...Ch. 21 - RECALL Why are linoleate and linolenate considered...Ch. 21 - REFLECT AND APPLY Is it possible to convert fatty...Ch. 21 - REFLECT AND APPLY What is the role of citrate in...Ch. 21 - REFLECT AND APPLY In the mitochondrion is a...Ch. 21 - REFLECT AND APPLY In fatty acid synthesis,...Ch. 21 - REFLECT AND APPLY (a) Where in an earlier chapter...Ch. 21 - RECALL What is the source of the glycerol in...Ch. 21 - RECALL What is the activating group used in the...Ch. 21 - RECALL What are the differences between synthesis...Ch. 21 - RECALL How are isoprene units important in...Ch. 21 - RECALL A cholesterol sample is prepared using...Ch. 21 - Prob. 46RECh. 21 - Prob. 47RECh. 21 - Prob. 48RECh. 21 - Prob. 49RECh. 21 - REFLECT AND APPLY A drug that reduces blood...Ch. 21 - RECALL What role does neuropeptide Y play in...Ch. 21 - Prob. 52RECh. 21 - Prob. 53RECh. 21 - Prob. 54RECh. 21 - RECALL What is the connection between insulin and...
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- REFLECT AND APPLY In the mitochondrion is a short-chain carnitine acyltransferase that can take acetyl groups from acetyl-CoA and transfer them to carnitine. How might this be related to lipid biosynthesis?arrow_forwardREFLECT AND APPLY Why is acetyl-CoA considered the central molecule of metabolism?arrow_forwardREFLECT AND APPLY In fatty acid synthesis, malonyl-CoA, rather than acetyl-CoA, is used as a condensing group. Suggest a reason for this.arrow_forward
- REFLECT AND APPLY Explain how glycogen phosphorylase is controlled allosterically and by covalent modification.arrow_forwardREFLECT AND APPLY Is it possible to convert fatty acids to other lipids without acyl-CoA intermediates?arrow_forwardREFLECT AND APPLY How can the synthesis and breakdown of fructose-2,6-bisphosphate be controlled independently?arrow_forward
- REFLECT AND APPLY Why does the degradation of palmitic acid (see Question 12) to eight molecules of acetyl-CoA require seven, rather than eight, rounds of the -oxidation process?arrow_forwardRECALL Define substrate-level phosphorylation and give an example from the reactions discussed in this chapter.arrow_forwardREFLECT AND APPLY The intermediates of glycolysis are phosphorylated, but those of the citric acid cycle are not. Suggest a reason why.arrow_forward
- REFLECT AND APPLY Comment on the fact that the reduction of pyruvate to lactate, catalyzed by lactate dehydrogenase, is strongly exergonic (recall this from Chapter 15), even though the standard free-energy change for the half reaction Pyruvate+2H++2eLactate is positive (G=36.2kJmol1=8.8kcalmol1), indicating an endergonic reaction.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 Why is it useful to plot rate data for enzymatic reactions as a straight line rather than as a curve?arrow_forward
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