The Energy Cost of dTTP Synthesis (Integrates with Chapter 20.) Starting from HCO 3 − , glutamine, aspartate, and ribosc-5-P, how many ATP equivalents are consumed in the synthesis of dTTP in a eukaryotic cell, assuming dihydroorotate oxidation is coupled to oxidative phosphorylation? How does this result compare with the ATP costs of purine nucleotide biosynthesis calculated in problem 2?

Study Guide With Student Solutions Manual And Problems Book For Garrett/grisham's Biochemistry, 6th

6th Edition

ISBN: 9781305882409

Author: GARRETT, Reginald H.; Grisham, Charles M.

Publisher: Brooks Cole

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Textbook Question

Chapter 26, Problem 14P

The Energy Cost of dTTP Synthesis (Integrates with Chapter 20.) Starting from HCO 3 − , glutamine, aspartate, and ribosc-5-P, how many ATP equivalents are consumed in the synthesis of dTTP in a eukaryotic cell, assuming dihydroorotate oxidation is coupled to oxidative phosphorylation? How does this result compare with the ATP costs of purine nucleotide biosynthesis calculated in problem 2?

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Chapter 26, Problem 13P

Chapter 26, Problem 15P

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Solution Summary: The author explains that the number of ATP molecules required in dTTP synthesis needs to be determined and compared with that in the purine nucleotide biosynthesis.

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