Biochemistry: Concepts and Connections (2nd Edition)
2nd Edition
ISBN: 9780134641621
Author: Dean R. Appling, Spencer J. Anthony-Cahill, Christopher K. Mathews
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 10P
Years ago there was interest in using uncouplers such as dinitrophenol as weight control agents. Presumably, fat could be oxidized without concomitant ATP synthesis for re-formation of fat or carbohydrate. Why was this a bad (i.e., fatal) idea?
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Years ago there was interest in using uncouplers such as dinitrophenol as
weight control agents. Presumably, fat could be oxidized without concomi-
tant ATP synthesis for re-formation of fat or carbohydrate. Why was this a
bad (i.e., fatal) idea?
Years ago there was interest in using uncouplers such as dinitrophenol
as weight control agents. Presumably, fat could be oxidized without
concomitant ATP synthesis for re-formation of fat or carbohydrate.
Why was this a bad idea?
DEFINE THE FOLLOWING TERMS:
a) Gluconeogenesis
b) Glycolysis
c) Citric Acid Cycle
Please explain this in-detailed and longer, thank you.
Chapter 14 Solutions
Biochemistry: Concepts and Connections (2nd Edition)
Ch. 14 - Prob. 1PCh. 14 - When pure reduced cytochrome c is added to...Ch. 14 - Freshly prepared mitochondria were incubated with...Ch. 14 - Prob. 4PCh. 14 - Prob. 5PCh. 14 - Prob. 6PCh. 14 - Intramitochondrial ATP concentrations are about 5...Ch. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - Years ago there was interest in using uncouplers...
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- Consider the fatty acids: (a) Arachidic acid (C20H40O2); molar mass = 312.5 g/mol) (b) Palmitoleic acid(C16H30O2); molar mass = 256.4 g/mol). i. How many cycles of β -oxidation are needed for complete oxidation?ii. How many molecules of acetyl CoA are formed from its complete catabolism?iii. Calculate the number of molecules (moles) of ATP formed (net) by the completecatabolism of each fatty acid (show your calculation).iv. Calculate number of moles of ATP formed per gram of each fatty acid metabolized.arrow_forwardCan you please assist me with these questionarrow_forwardOnly one acetyl CoA molecule is used directly in fatty acid synthesis. Identify the carbon atoms in palmitic acid that were donated by acetyl CoA.arrow_forward
- Define the following terms: a. ketogenic amino acid b. glucogenic amino acid c. L-amino acid oxidase d. Krebs urea cycle e. CPSIarrow_forwardThe diabetic body's reliance on ketogenesis to provide energy due to the unavailability of glucose causes serious health and toxicity concerns in these individuals. 1) Describe the role of ketogenesis in diabetes, why the body elects this metabolic pathway, and its resultant benefits and consequences. 2) Describe the role of ketogenesis in a ketogenic diet, why this can be considered a desired metabolic state for individuals, and the benefits and consequences of ketogenesis in these intentional circumstances. Rationalize the differences between these two ketogenic instances.arrow_forwardThe glucose/glucose-6-phosphate substrate cycle involves distinct reactions of glycolysis and gluconeogenesis that interconvert these two metabolites. Assume that under physiological conditions, [ATP] = [ADP]; [P;] = 1 mM. Consider the glycolytic reaction catalyzed by hexokinase: ATP + glucose ADP + glucose-6-phosphate AG = - 16.7 kJ/mol (a) Calculate the equilibrium constant (K) for this reaction at 298°K, and from that, calculate the maximum [glucose-6-phosphate]/ Iglucose] ratio that would exist under conditions where the reaction is still thermodynamically favorable. (b) Reversal of this interconversion in gluconeogenesis is catalyzed by glucose-6-phosphatase: glucose-6-phosphate + H20 = glucose + P AG" = -13.8 kJ/molarrow_forward
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