Biochemistry
Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Chapter 17, Problem 33P
Interpretation Introduction

Interpretation:

The source of energy which drives the citrate formation.

Concept introduction:

The citric acid cycle (TCA) is a catabolic process. It is a series of chemical reactions in which the stored energy of the body is released by the oxidation of acetyl-Coenzyme A. Pyruvate dehydrogenase enzyme complex is required for the linking of glycolysis and TCA. It helps in the conversion of pyruvate into Acetyl CoA. Acetyl CoA then enters into the series of the citric acid cycle.

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Instructions. Given each set of information which may include common name(s) and the reaction catalyzed, you are required to identify the main class of the specific enzyme described. Name: citryl-CoA synthetase Reaction: ATP + citrate + CoA = ADP + phosphate + (3S)-citryl-CoA Name: D-xylulose reductase Reaction: xylitol + NAD+ = D-xylulose + NADH + H+ Name: cellobiose phosphorylase Reaction: cellobiose phosphate = α-D-glucose 1-phosphate + D-glucose Name: carbonic anhydrase Reaction: H2CO3 = CO2 + H2O Other info: The enzyme catalyzes the reversible hydration of gaseous CO2 to carbonic acid, which dissociates to give hydrogencarbonate above neutral pH. Name: pantoate activating enzyme Reaction: ATP + (R)-pantoate = AMP + diphosphate + (R)-pantothenate.
Closely related. Pyruvate dehydrogenase complex and a-ketoglutarate a-ketoglutarate dehydrogenase complex are huge enzymes consisting of three discrete enzymatic activities. Which amino acids require a related enzyme complex, and what is the name of the enzyme?
BIOCHEMISTRY. Could glycerol be used to regenerate the OAA for maintenance of TCA cycle activity? Yes or No? Explain.
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