Biochemistry
9th Edition
ISBN: 9781305961135
Author: Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher: Cengage Learning
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Chapter 21, Problem 20RE
MATHEMATICAL Calculate the net ATP yield from linoleic acid
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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 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 Show how the estimate of 33% efficiency of energy use in anaerobic glycolysis is derived.arrow_forwardMATHEMATICAL For the Vmax obtained in Question 26, calculate the turnover number (catalytic rate constant) assuming that 131024mol of enzyme were used.arrow_forward
- MATHEMATICAL Calculate the net ATP yield from oleic acid (18:19). Hint: Remember the step that bypasses acyl-CoA dehydrogenase.arrow_forwardMATHEMATICAL For an enzyme that displays MichaelisMenten kinetics, what is the reaction velocity, V (as a percentage of Vmax), observed at the following values? (a) [S]=KM (b) [S]=0.5KM (c) [S]=0.1KM (d) [S]=2KM (e) [S]=10KMarrow_forwardMATHEMATICAL For the following aspartase reaction (see Question 28) in the presence of the inhibitor hydroxymethylaspartate, determine KM and whether the inhibition is competitive or noncompetitive. [s](molarity)V,noInhibitor(arbitraryunits)V,InhibitorPresent(samearbitraryunits)110451041.5103510311.00.0260.0920.1360.1659.520.0100.0400.0860.1427.60arrow_forward
- REFLECT AND APPLY The enzyme lactate dehydrogenase catalyzes the reaction Pyruvate+NADH+H+lactate+NAD+ NADH absorbs light at 340 nm in the near-ultraviolet region of the electromagnetic spectrum, but NAD1 does not. Suggest an experimental method for following the rate of this reaction, assuming that you have available a spectrophotometer capable of measuring light at this wavelength.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_forwardREFLECT AND APPLY Show how the reactions of the electron transport chain differ from those in Question 3 when FADH2 is the starting point for electron transport. Show how the reactions that liberate enough energy to drive the phosphorylation of ADP differ from the pathway when NADH is the starting point.arrow_forward
- REFLECT AND APPLY In metabolism, glucose-6-phosphate (G6P) can be used for glycogen synthesis or for glycolysis, among other fates. What does it cost, in terms of ATP equivalents, to store G6P as glycogen, rather than to use it for energy in glycolysis? Hint: The branched structure of glycogen leads to 90% of glucose residues being released as glucose-1-phosphate and 10% as glucose.arrow_forwardMATHEMATICAL If a reaction can be written AB, and the G is 20kJmol1, what would the substrate/product ratio have to be for the reaction to be thermodynamically favorable?arrow_forwardREFLECT AND APPLY Two biochemistry students are about to use mitochondria isolated from rat liver for an experiment on oxidative phosphorylation. The directions for the experiment specify addition of purified cytochrome c from any source to the reaction mixture. Why is the added cytochrome c needed? Why does the source not have to be the same as that of the mitochondria?arrow_forward
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