Exam (elaborations)
Chapter 26 - Amino Acids, Peptides, and Proteins (Test Bank)
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Organic Chemistry 10th Edition by Francis Carey - Test Bank
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1.Which of the following is the zwitterion form of alanine?A. A
B. B
C. C
D. D
Bloom's Level: 2. Understand
Chapter: 26
Difficulty: Easy
Gradable: automatic
Section: 26.03
Subtopic: Classification and stereochemistry of amino acids
Subtopic: Physical properties of amino acids
Subtopic: Synthesis and reactions of amino acids
Topic: Amino Acids, Peptides, and Proteins
2. Which one of the following best defines the isoelectric point, pI?
A. The charge on the amino acid when the pH is 7.0.
B.The charge on the amino acid when the pH equals the pKa of the carboxylic acid group.
C. The pH at which the charge on the amino acid is 0.
D. The pH at which the charge on the amino acid is +1.
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Chapter: 26
Difficulty: Easy
Gradable: automatic
Section: 26.03
Subtopic: Physical properties of amino acids
Subtopic: Synthesis and reactions of amino acids
Topic: Amino Acids, Peptides, and Proteins
26-1
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
,3.What is the pI of valine, shown below? (the pKa's are shown)
A. 2.32
B. 4.81
C. 5.97
D. 9.62
Bloom's Level: 3. Apply
Chapter: 26
Difficulty: Easy
Gradable: automatic
Section: 26.03
Subtopic: Physical properties of amino acids
Subtopic: Synthesis and reactions of amino acids
Topic: Amino Acids, Peptides, and Proteins
26-2
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
, 4.Which of the following is the major product of the reaction shown below? (the pK a's are
shown)
A. A
B. B
C. C
D. D
Bloom's Level: 4. Analyze
Chapter: 26
Difficulty: Medium
Gradable: automatic
Section: 26.03
Subtopic: Synthesis and reactions of amino acids
Topic: Amino Acids, Peptides, and Proteins
26-3
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
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