11) Which bond in the following compound is a peptide bond? 1 2|| 3 4 —NHCH C N CH 5| R H R A) 1 B) 2 C) 3 D) 4 E) 5 12) Which of the following characterizes the secondary structure of proteins? A) conformation of the protein backbone B) α-helix C) parallel ẞ-pleated sheet D) anti-parallel ẞ-pleated sheet E) all of the above 13) Which of the following describes the quaternary structure of a protein? A) sequence of amino acids in the peptide chain B) description of the way the separate peptide chains are arranged with respect to each other C) location of the disulfide bridges in the peptide chain D) conformation of the protein backbone E) three-dimensional arrangement of all atoms in the protein 14) When a disulfide bond is formed, the compound containing this new bond has been A) hydrolyzed B) dehydrated C) electrolyzed D) oxidized E) reduced 11:00 PM Fri Apr 26 NÅ 88 0 Chapter-17+Homework-1 Chapter-11+Homework (1) Short answer questions 1) Predict the products of the following reactions. LOCH₂CH 5 of 5 CH3 1. NaOCH2CH3 -H 2. CH,Br 3. HO*, heat OCH₂CH₂ OCH₂CH3 H 1. NaOCH₂CH₁₂ H 2. CH3CH(Br)CH2CH3 3. H₂O*, heat OCH₂CH₂ 1. (EtO₂C)2CHBr 2. NaOEt 3. (CH3)2CHCH2Br 4. HCI, H2O, heat 2) Draw the structure of tryptophan at pH 1.1, 7.4, and 11.2. 3) Draw the structure of glutamate at pH 0.0, 7.4, and 10.9. Chapter-17+Homework-1 B Dr. Shewa 5
11) Which bond in the following compound is a peptide bond? 1 2|| 3 4 —NHCH C N CH 5| R H R A) 1 B) 2 C) 3 D) 4 E) 5 12) Which of the following characterizes the secondary structure of proteins? A) conformation of the protein backbone B) α-helix C) parallel ẞ-pleated sheet D) anti-parallel ẞ-pleated sheet E) all of the above 13) Which of the following describes the quaternary structure of a protein? A) sequence of amino acids in the peptide chain B) description of the way the separate peptide chains are arranged with respect to each other C) location of the disulfide bridges in the peptide chain D) conformation of the protein backbone E) three-dimensional arrangement of all atoms in the protein 14) When a disulfide bond is formed, the compound containing this new bond has been A) hydrolyzed B) dehydrated C) electrolyzed D) oxidized E) reduced 11:00 PM Fri Apr 26 NÅ 88 0 Chapter-17+Homework-1 Chapter-11+Homework (1) Short answer questions 1) Predict the products of the following reactions. LOCH₂CH 5 of 5 CH3 1. NaOCH2CH3 -H 2. CH,Br 3. HO*, heat OCH₂CH₂ OCH₂CH3 H 1. NaOCH₂CH₁₂ H 2. CH3CH(Br)CH2CH3 3. H₂O*, heat OCH₂CH₂ 1. (EtO₂C)2CHBr 2. NaOEt 3. (CH3)2CHCH2Br 4. HCI, H2O, heat 2) Draw the structure of tryptophan at pH 1.1, 7.4, and 11.2. 3) Draw the structure of glutamate at pH 0.0, 7.4, and 10.9. Chapter-17+Homework-1 B Dr. Shewa 5
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions
Section: Chapter Questions
Problem 20.27P
Related questions
Question
Transcribed Image Text:11) Which bond in the following compound is a peptide bond?
1
2|| 3 4
—NHCH
C N CH
5|
R
H R
A) 1
B) 2
C) 3
D) 4
E) 5
12) Which of the following characterizes the secondary structure of proteins?
A) conformation of the protein backbone
B) α-helix
C) parallel ẞ-pleated sheet
D) anti-parallel ẞ-pleated sheet
E) all of the above
13) Which of the following describes the quaternary structure of a protein?
A) sequence of amino acids in the peptide chain
B) description of the way the separate peptide chains are arranged with respect to each other
C) location of the disulfide bridges in the peptide chain
D) conformation of the protein backbone
E) three-dimensional arrangement of all atoms in the protein
14) When a disulfide bond is formed, the compound containing this new bond has been
A) hydrolyzed
B) dehydrated
C) electrolyzed
D) oxidized
E) reduced
Transcribed Image Text:11:00 PM Fri Apr 26
NÅ
88 0
Chapter-17+Homework-1
Chapter-11+Homework (1)
Short answer questions
1) Predict the products of the following reactions.
LOCH₂CH
5 of 5
CH3
1. NaOCH2CH3
-H
2. CH,Br
3. HO*, heat
OCH₂CH₂
OCH₂CH3
H
1. NaOCH₂CH₁₂
H
2. CH3CH(Br)CH2CH3
3. H₂O*, heat
OCH₂CH₂
1. (EtO₂C)2CHBr
2. NaOEt
3. (CH3)2CHCH2Br
4. HCI, H2O, heat
2) Draw the structure of tryptophan at pH 1.1, 7.4, and 11.2.
3) Draw the structure of glutamate at pH 0.0, 7.4, and 10.9.
Chapter-17+Homework-1
B
Dr. Shewa
5
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