SAPLINGPLUS FOR PRINCIPLES OF BIOCHEMIS
7th Edition
ISBN: 9781319424572
Author: nelson
Publisher: MAC HIGHER
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Chapter 23, Problem 18P
Summary Introduction
To determine: The effect on insulin secreted by pancreatic β cells when insulin is exposed to potassium ionophore valinomycin.
Concept introduction:
Insulin is a peptide hormone that is secreted by pancreas. It is produced naturally in the body of organism. It is needed by cells to use glucose for energy demand. It regulates the blood sugar level. It is also an anabolic hormone.
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1
2
Br
OCH₁₂
CF3
3
4
2. Which one shows the correct order of reactivity of these four compounds in
electrophilic aromatic substitution reactions, with more reactive > least reactive ?
A) 1>2>3>4
B) 13>4> 2
C) 3 > 2 > 1 > 4 D) 4 > 3 > 1 > 2 E) 3 >1>2> 4
12. Which of the compounds
below is expected to be the
major product formed by
this reaction sequence?
COOH
Br
A
C₂H5CI
H₂CrO4
Br₂
FeBr3
AICI 3
.COOH
.COOH
COOH
CH₂OH
B
Br
Br
C
D
Br
E
Br
11. Which of these chlorobenzenes does not undergo nucleophilic aromatic
substitution upon treatment with NaNH2?
CI
CI
CI
CI
CI
A
B
C
D
E
Chapter 23 Solutions
SAPLINGPLUS FOR PRINCIPLES OF BIOCHEMIS
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