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Chapter 29: Q29-10P (page 998)

Which of the substances in the citric acid cycle are tricarboxylic acids, thus giving the cycle its alternative name?

Short Answer

Expert verified

The Substances of the cycle is Citric and isocitrate.

Step by step solution

01

Draw the Structure of Citrate and isocitrate

The Citric acid cycle is also known as the Tricarboxylic Acid cycle.

Therefore, That citrate and isocitrate anger the cycle its name is justified by their respective structures;

The Structure of Citrate and isocitrate.

02

To Given the Dehydration and rehydration of isocitrate

The Citric is isomerized by dehydration and rehydration of given isocitrate in step 2 of the TCA cycle.

Citrate both of these substances are produced as intermediate metabolites in the Kreb's TCA cycle and they contain three carboxylate anions CO2-.This Justifies the name tricarboxylic acid cycle given to this metabolic cycle.

Therefore, The Biochemical cycle of metabolism derives its name on the bars of its significant metabolites.

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Most popular questions from this chapter

For what amino acids do the following ribonucleotide triplets code?

(a) AAU

(b) GAG

(c) UCC

(d) CAU

PROBLEM 29-8Look at the entire glycolysis pathway, and make a list of the kinds of organic reactions that take place-nucleophilic acyl substitutions, aldol reactions, E1cB reactions, and so forth.

Draw the structure of adenosine 5’-monophosphate (AMP), an intermediate in some biochemical pathways.
One of the steps in the biosynthesis of uridine monophosphate is the reaction of aspartate with carbamoyl phosphate to give carbamoyl aspartate followed by cyclization to form dihydroorotate. Propose mechanisms for both steps.

What enzyme cofactor is associated with each of the following kinds of reactions?

(a) Transamination

(b) Carboxylation of a ketone

(c) Decarboxylation of an α-ketoacid
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