Which of the following statements are FALSE? Multiple answers:Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation...SHOW MORE a In the TCA Cycle 3 molecules of NADH are produced per molecule of Acetyl-CoA oxidized. b Intracellular concentrations in resting muscle are as follows: Fructose-6-phosphate (1.0 mM) Fructose-(1-6)-bisphosphate (10.0 mM) ADP (0.5 mM) ATP (5.0 mM) Under the above conditions the Phosphofructokinasereaction in muscle is more exergonic than under standard conditions. c The E2 component of the Pyruvate Dehydrogenase complex binds NAD+ in its active site. d If 14CO2 was bubbled through a suspension of liver cells that was undergoing gluconeogenesis from lactate to glucose carbons 1 and 6 of glucose would be radioactive. e When Acetyl-CoA levels exceed the Oxaloacetate supply allosteric activation of Pyruvate Carboxylase results Acetyl-CoA raising the Oxaloacetate levels for subsequent condensation with Acetyl-CoA to form Citrate. f The carbon atom of the -COO group attached to the keto carbon of Oxaloacetate is released as carbon dioxide in the Isocitrate Dehydrogenase reaction. g The two electrons derived from the Pyruvate Dehydrogenase complex come from dihydrolipoic acid. h The oxidation of Malate to Oxaloacetate occurs because Oxaloacetate is used in the next reaction which has a negative ∆G. i The only reaction of the Citric Acid Cycle that provides substrate level phosphorylation is catalyzed by Succinyl CoA Synthetase.

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Which of the following statements are FALSE?

Multiple answers:Multiple answers are accepted for this question

Select one or more answers and submit. For keyboard navigation...SHOW MORE

In the TCA Cycle 3 molecules of NADH are produced per molecule of Acetyl-CoA oxidized.

Intracellular concentrations in resting muscle are as follows:
Fructose-6-phosphate (1.0 mM)
Fructose-(1-6)-bisphosphate (10.0 mM)
ADP (0.5 mM)
ATP (5.0 mM)
Under the above conditions the Phosphofructokinasereaction in muscle is more exergonic than under standard conditions.

The E₂ component of the Pyruvate Dehydrogenase complex binds NAD⁺in its active site.

If ¹⁴CO₂was bubbled through a suspension of liver cells that was undergoing gluconeogenesis from lactate to glucose carbons 1 and 6 of glucose would be radioactive.

When Acetyl-CoA levels exceed the Oxaloacetate supply allosteric activation of Pyruvate Carboxylase results Acetyl-CoA raising the Oxaloacetate levels for subsequent condensation with Acetyl-CoA to form Citrate.

The carbon atom of the -COO group attached to the keto carbon of Oxaloacetate is released as carbon dioxide in the Isocitrate Dehydrogenase reaction.

The two electrons derived from the Pyruvate Dehydrogenase complex come from dihydrolipoic acid.

The oxidation of Malate to Oxaloacetate occurs because Oxaloacetate is used in the next reaction which has a negative ∆G.

The only reaction of the Citric Acid Cycle that provides substrate level phosphorylation is catalyzed by Succinyl CoA Synthetase.

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