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Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Chapter 15, Problem 69TQ
Summary Introduction
To review:
The pathway of conversion of uracil to β-alanine along with the structures of intermediate molecules.
Introduction:
Uracil or U is one of the four nitrogenous bases found in ribonucleic acid (RNA). It is a pyrimidine. It undergoes a series of steps to form β-alanine (beta-alanine). The β-alanine is a naturally occurring amino acid, in which the amino group is present at the beta position.
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Chapter 15 Solutions
Biochemistry: The Molecular Basis of Life
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Ch. 15 - Prob. 6RQCh. 15 - Prob. 7RQCh. 15 - Prob. 8RQCh. 15 - Prob. 9RQCh. 15 - Prob. 10RQCh. 15 - Prob. 11RQCh. 15 - Prob. 12RQCh. 15 - Prob. 13RQCh. 15 - Prob. 14RQCh. 15 - Prob. 15RQCh. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - Prob. 19RQCh. 15 - Prob. 20RQCh. 15 - Prob. 21RQCh. 15 - Prob. 22RQCh. 15 - Prob. 23RQCh. 15 - Prob. 24RQCh. 15 - Prob. 25RQCh. 15 - Prob. 26RQCh. 15 - Prob. 27RQCh. 15 - Prob. 28RQCh. 15 - Prob. 29RQCh. 15 - Prob. 30RQCh. 15 - Prob. 31RQCh. 15 - Prob. 32RQCh. 15 - Prob. 33RQCh. 15 - Prob. 34RQCh. 15 - Prob. 35RQCh. 15 - Prob. 36RQCh. 15 - Prob. 37RQCh. 15 - Prob. 38RQCh. 15 - Prob. 39RQCh. 15 - Prob. 40RQCh. 15 - Prob. 41RQCh. 15 - Prob. 42RQCh. 15 - Prob. 43RQCh. 15 - Prob. 44RQCh. 15 - Prob. 45FBCh. 15 - Prob. 46FBCh. 15 - Prob. 47FBCh. 15 - Prob. 48FBCh. 15 - Prob. 49FBCh. 15 - Prob. 50FBCh. 15 - Prob. 51FBCh. 15 - Prob. 52FBCh. 15 - Prob. 53FBCh. 15 - Prob. 54FBCh. 15 - Prob. 55SACh. 15 - Prob. 56SACh. 15 - Prob. 57SACh. 15 - Prob. 58SACh. 15 - Prob. 59SACh. 15 - Prob. 60TQCh. 15 - Prob. 61TQCh. 15 - Prob. 62TQCh. 15 - Prob. 63TQCh. 15 - Prob. 64TQCh. 15 - Prob. 65TQCh. 15 - Prob. 66TQCh. 15 - Prob. 67TQCh. 15 - Prob. 68TQCh. 15 - Prob. 69TQCh. 15 - Prob. 71TQCh. 15 - Prob. 72TQCh. 15 - Prob. 73TQCh. 15 - Prob. 74TQ
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- Give examples of balanced redox reactions that match the following:-Catabolic-Anabolic-Oxidative-Reductivearrow_forwardIf there are 20uM of a GLUT2 transporter on the surface of a cell, each able to move 8 per second, and 50mM glucose outside of the cell, what is the flux into the cell in mM/sec?arrow_forwardA transporter is responsible for antiporting calcium and glucose. The transporter brings glucose into the cell and sends calcium out of the cell. If blood [calcium] = 2.55mM and intracellular [calcium] = 7uM, blood [glucose] = 5.2mM, and intracellular [glucose] = 40uM, what is the free energy of transport? Assume a membrane potential of 62mV (negative inside).arrow_forward
- An ATP-coupled transporter is used to import 1 phosphate from the extracellular environment. Intracellular phosphate exists at 65mM, while it is 2mM outside.Assume a free energy change of ATP hydrolysis of -42.7 kJ/mol. What is the net free energy change of the coupled reaction? Assume a membrane potential of 70mV.arrow_forwardAnother transporter brings 3 chloride ions into the cell. Outside, chloride has a concentration of 107mM, and 4mM inside the cell. Assuming a membrane potential of 62mV (negative inside), what is the free energy of transport of these ions?arrow_forwardFor the Oxaloacetate -> Malate reaction, assume the normal ratio of NAD/NADH, what is the maximum ratio of Malate/Oxaloacetate that will allow reaction progress?arrow_forward
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- Which B vitamin is responsible for generating the following:- FAD/FMN-NAD/NADH/NADP/NADPH-Coenzyme Aarrow_forwardWhat is the free energy change of an NADH mediated reduction of acetaldehyde to ethanol if blood ethanol is 0.2% by volume, and [Acetaldehyde] = 9uM. Assume the ratio of NAD/NADH is the same as discussed in class.arrow_forwardWhat is the role of each redox cofactor in the cell? Be specific about subcellular localization, etcarrow_forward
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