The carbon skeletons of many amino acids can be used to replenish theintermediates of the citric acid cycle.Select one:TrueO FalseWhich of the following compound is a positive allosteric modifier of the enzymepyruvate carboxylase?Select one:a. BiotinO b. OxaloacetateO c. Fructose-6-PO d. ATPOe. Acetyl-CoAWhich of the following compounds serve as a primary link between the TCA cycleand the urea cycle?Select one:O a. succinateb. fumarateO c. oxaloacetateO d. malateO e. citrateA specific inhibitor for succinate dehydrogenase is:Select one:O a. Citrateb MalonateO c. ArseniteO d. FluorideO e. Cyanide

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Answered: The carbon skeletons of many amino…

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter17: Metabolism: An Overview

Section: Chapter Questions

Problem 15P

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Similar questions

two of the reduced electron carriers in the citric acid cycle come directly from a) isomerization of citrate b) lactic acid fermentation under anaerobic conditions c) condensation of acetate to form long-chain fatty acid d) oxidative decarboxylations e) succinate dehydrogenase reaction
Drawthe structures of the two citric acid cycle intermediates that can be converted into amino acids in a single step by transamination. What amino acids do they produce?Draw their structures.
In considering the carbohydrate maltose... a. How many molecules of acetyl CoA are formed from its complete catabolism? b. How many rounds of Citric acid Cycle must occur to complete catabolism? c. How many rounds of electron transport chain and oxidative phosphorylation?
Citric acid cycle is also considered to be an anabolic pathway, because: a) Some of the reactions in citric acid cycle are reversible b) Some of the intermediates in citric acid cycle can be converted to amino acids c) Bothaandb d) Neither a nor b
How many acetyl CoA molecules are produced in one cycle of beta oxidation? How many cycles would it take to catabolize a stearic acid molecule (a fatty acid, [18:0]) into acetyl Co A units? a)How many acetyl CoA molecules would be produced? b) How many reduced nucleotides would be produced? c) If a molecule of glucose produces a net 32 ATP when completely catabolized, which do you think will produce more energy, one molecule of glucose or one molecule of stearic acid? Justify your answer.
Conversion of pyruvate to PEP (phosphoenolpyruvate) requires the action of a. A. B. C. D. E.Fructose-1,6-bisphosphatase b. two cytosolic enzymes C .Hexokinase/glucokinase d. a mitochondrial enzyme and a cytosolic enzyme e. Two mitochondrial enzymes
complex allosteric regulation of the aspartate transcarbamoylase reaction is significant because it links? a) citric acid cycle and catecholamine biosynthesis b)glycolysis and lactic acid fermentation c) opiate with neurotransmitter d) glycolysis and fatty acid metabolism e) amino acid and nitrogenous base metabolism
Consider the docosanoic acid, C21H43CO2H a. Label the a and B carbons b. Draw the acyl CoA derived from this fatty acid c. How many acetyl CoA molecules are formed by complete B-oxidation? d. How many cycles of B-oxidation are needed for complete oxidation? e. How many molecules of ATP are formed from the complete catabolism of this fatty acid?
If a C18 compound is metabolized and enters the citric acid cycle as nine C2 fragments (acetyl groups), how many molecules of ATP are produced in the common metabolic pathway from C Show your calculations.
What enzyme produces the compound that inhibits the movement of fatty acyl-CoA into the mitochondrial matrix to undergo oxidation? a)citrate b)malonyl-CoA c)citrate synthase d)carnitine acyltransferase I e)Acetyl-CoA carboxylase
The citric acid cycle contains four 4-carbon dicarboxylic acids. (a) Name them.(b) Arrange them in order from least oxidized to mostoxidized.
In living cells, one mole of glucose undergoes a complete oxidation.(a). How many moles of ATP equivalents can be produced when one mole ofglucose is completely oxidized?(b). Indicate at which reaction steps are the ATP equivalents produced,directly or indirectly.

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