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 9, Problem 3Q
Summary Introduction
To review:
The oxidation state of the indicated carbon atom in each molecule (in the reaction sequence given below).
Introduction:
Redox reactions are important reactions in living organisms. To understand them, it is important to determine the oxidation state of the atoms present in the molecules. By obeying a few rules, the oxidation state of a molecule can be assigned a value. The value may vary from–4 to +4.
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12. When glutamic acid is heated to 180°C., it loses a molecule of water to form a
lactam. The bond that creates the lactam is an amide bond that forms between the
amino nitrogen and the carbon of the side chain -COOH group. What is the most
reasonable structure for this lactam? (NOTE: The structure of glutamic acid is shown
in Question 1.)
COOH
COOH
ا کچھ جو کچھ
C
D
COOH
B
COOH
E
COOH
10. Which one of the
following compounds is
the major organic product
of the series of reactions
shown here?
Ph
A
OH
Ph
B
CO₂Et
Br
-H
Ν ΚΑ
CO₂Et
1. NaOEt
1. NaOH, H₂O
2. H3O+
2. PhCH2CH2Br
3. heat
NH2
Ph
OH
NH2
0
OH
Ph
OH
NH2
Ph
D
NH2
E
OH
1. What is the isoelectric point of glutamic acid?
(Glutamic acid has pKa1 2.10, pKa2 4.07, pKaз 9.47)
A) pH 2.1
D) pH 6.8
B) pH 3.1
C) pH 4.1
E) pH 9.5
HO
NH2
Glutamic acid
(shown without charges)
OH
Chapter 9 Solutions
Biochemistry: The Molecular Basis of Life
Ch. 9 - Prob. 1QCh. 9 - Prob. 2QCh. 9 - Prob. 3QCh. 9 - Prob. 4QCh. 9 - Prob. 5QCh. 9 - Prob. 6QCh. 9 - Prob. 7QCh. 9 - Prob. 1RQCh. 9 - Prob. 2RQCh. 9 - Prob. 3RQ
Ch. 9 - Prob. 4RQCh. 9 - Prob. 5RQCh. 9 - Prob. 6RQCh. 9 - Prob. 7RQCh. 9 - Prob. 8RQCh. 9 - Prob. 9RQCh. 9 - Prob. 10RQCh. 9 - Prob. 11RQCh. 9 - Prob. 12RQCh. 9 - Prob. 13RQCh. 9 - Prob. 14RQCh. 9 - Prob. 15RQCh. 9 - Prob. 16RQCh. 9 - Prob. 17RQCh. 9 - Prob. 18RQCh. 9 - Prob. 19RQCh. 9 - Prob. 20RQCh. 9 - Prob. 21RQCh. 9 - Prob. 22RQCh. 9 - Prob. 23RQCh. 9 - Prob. 24RQCh. 9 - Prob. 25RQCh. 9 - Prob. 26RQCh. 9 - Prob. 27RQCh. 9 - Prob. 28FBCh. 9 - Prob. 29FBCh. 9 - Prob. 30FBCh. 9 - Prob. 31FBCh. 9 - Prob. 32FBCh. 9 - Prob. 33FBCh. 9 - Prob. 34FBCh. 9 - Prob. 35FBCh. 9 - Prob. 36FBCh. 9 - Prob. 37FBCh. 9 - Prob. 38SACh. 9 - Prob. 39SACh. 9 - Prob. 40SACh. 9 - Prob. 41SACh. 9 - Prob. 42SACh. 9 - Prob. 43TQCh. 9 - Prob. 44TQCh. 9 - Prob. 45TQCh. 9 - Prob. 46TQCh. 9 - Prob. 47TQCh. 9 - Prob. 48TQCh. 9 - Prob. 49TQCh. 9 - Prob. 50TQCh. 9 - Prob. 51TQCh. 9 - Prob. 52TQCh. 9 - Prob. 53TQCh. 9 - Prob. 54TQCh. 9 - Prob. 55TQCh. 9 - Prob. 56TQCh. 9 - Prob. 57TQCh. 9 - Prob. 58TQCh. 9 - Prob. 59TQ
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