A portion of the citric acid cycle is shown below. What are the identities of A and B? citrate → A→isocitrate → B A = cis-aconitate; B = a-ketoglutarate A = malate; B = fumarate A = cis-aconitate; B = oxaloacetate A = a-ketoglutarate; B = succinate A = succinate; B = a-ketoglutarate

A portion of the citric acid cycle is shown below. What are the identities of A and B? citrate → A→isocitrate → B A = cis-aconitate; B = a-ketoglutarate A = malate; B = fumarate A = cis-aconitate; B = oxaloacetate A = a-ketoglutarate; B = succinate A = succinate; B = a-ketoglutarate

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter21: Lipids

Section: Chapter Questions

Problem 21.18P

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Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.

Question

A portion of the citric acid cycle is shown below. What are the
identities of A and B?
citrate → A→isocitrate → B
A = cis-aconitate; B = a-ketoglutarate
A = malate; B = fumarate
A = cis-aconitate; B = oxaloacetate
A = a-ketoglutarate; B = succinate
A = succinate; B = a-ketoglutarate

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