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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 4, Problem 28RQ
Summary Introduction
To review:
The change in Gibbs free energy for the hydrolysis of glucose-6-phosphate is to be calculated if the concentration of glucose-6-phosphate and inorganic phosphateis 4 mM (millimolar) and
Introduction:
Glucose-6-phosphatase is the enzyme, which carries out hydrolysis of glucose-6-phosphate. The end product of the hydrolysis is a phosphate group and a free glucose molecule. The equilibrium constant of any reaction can be calculated if the concentration of reactants and products are known.
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Question 1: Why do we need to add concentrated H2SO4 (sulfuric acid) or HCl (hydrochloric acid)
during Molisch's Test?
Question 2: Why do trioses and tetroses give negative result for the Molisch's Test? Explain with
the help of necessary chemical structures or minimal reaction blocks.
Question 3: Why do some organic acids like citric acids, lactic acid, etc. give positive result for
Molisch's Test?
Question 4: Is Molisch's Test a specific test for detecting Carbohydrates? Discuss in brief with
other possible test for the detection of carbohydrates.
Question 5: Suppose, you are provided with samples of commercially available sugar-free
carbonated soft drinks. How would you perform the Molisch's Test to verify?
Chapter 4 Solutions
Biochemistry: The Molecular Basis of Life
Ch. 4 - Prob. 1QCh. 4 - Prob. 2QCh. 4 - Prob. 1RQCh. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Prob. 4RQCh. 4 - Prob. 5RQCh. 4 - Prob. 6RQCh. 4 - Prob. 7RQCh. 4 - Prob. 8RQ
Ch. 4 - Prob. 9RQCh. 4 - Prob. 10RQCh. 4 - Prob. 11RQCh. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - Prob. 14RQCh. 4 - Prob. 15RQCh. 4 - Prob. 16RQCh. 4 - Prob. 17RQCh. 4 - Prob. 18RQCh. 4 - Prob. 19RQCh. 4 - Prob. 20RQCh. 4 - Prob. 21RQCh. 4 - Prob. 22RQCh. 4 - Prob. 23RQCh. 4 - Prob. 24RQCh. 4 - Prob. 25RQCh. 4 - Prob. 26RQCh. 4 - Prob. 27RQCh. 4 - Prob. 28RQCh. 4 - Prob. 29RQCh. 4 - Prob. 30FBCh. 4 - Prob. 31FBCh. 4 - Prob. 32FBCh. 4 - Prob. 33FBCh. 4 - Prob. 34FBCh. 4 - Prob. 35FBCh. 4 - Prob. 36FBCh. 4 - Prob. 37FBCh. 4 - Prob. 38FBCh. 4 - Prob. 39FBCh. 4 - Prob. 40SACh. 4 - Prob. 41SACh. 4 - Prob. 42SACh. 4 - Prob. 43SACh. 4 - Prob. 44SACh. 4 - Prob. 45TQCh. 4 - Prob. 46TQCh. 4 - Prob. 47TQCh. 4 - Prob. 48TQCh. 4 - Prob. 49TQCh. 4 - Prob. 50TQCh. 4 - Prob. 51TQCh. 4 - Prob. 52TQCh. 4 - Prob. 53TQCh. 4 - Prob. 54TQCh. 4 - Prob. 55TQCh. 4 - Prob. 56TQCh. 4 - Prob. 57TQCh. 4 - Prob. 58TQCh. 4 - Prob. 59TQCh. 4 - Prob. 60TQCh. 4 - Prob. 61TQCh. 4 - Prob. 62TQ
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