Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Textbook Question
Chapter 23, Problem 23.73P
3 Would you expect to find active digestive enzymes in a cooked hot dog? What is the reason for your answer?
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3.
a.
Use the MS to propose at least two possible molecular formulas.
For an unknown compound:
101.
27.0
29.0
41.0
50.0
52.0
55.0
57.0
100
57.5
58.0
58.5
62.0
63.0
64.0
65.0
74.0
40
75.0
76.0
20
20
40
60
80
100
120
140
160
180
200 220
m/z
99.5
68564810898409581251883040
115.0
116.0
77404799
17417M
117.0
12.9
118.0
33.5
119.0
36
133 0
1.2
157.0
2.1
159.0
16
169.0
219
170.0
17
171.0
21.6
172.0
17
181.0
1.3
183.0
197.0
100.0
198.0
200.
784
Relative Intensity
2
2
8
ō (ppm)
6
2
Solve the structure and assign each of the following spectra (IR and C-NMR)
1.
For an unknown compound with a molecular formula of C8H100:
a.
What is the DU? (show your work)
b.
Solve the structure and assign each of the following spectra.
8
6
2
ō (ppm)
4
2
0
200
150
100
50
ō (ppm)
LOD
D
4000
3000
2000
1500
1000
500
HAVENUMBERI -11
Chapter 23 Solutions
Introduction to General, Organic and Biochemistry
Ch. 23 - What is the difference between a catalyst and an...Ch. 23 - What are ribozymes made of?Ch. 23 - Would a lipase hydrolyze two triglycerides, one...Ch. 23 - Compare the activation energy in uncatalyzed...Ch. 23 - Prob. 23.5PCh. 23 - Prob. 23.6PCh. 23 - Prob. 23.7PCh. 23 - Monoamine oxidases are important enzymes in brain...Ch. 23 - Prob. 23.9PCh. 23 - 0 What kind of reaction does each of the following...
Ch. 23 - Prob. 23.11PCh. 23 - Prob. 23.12PCh. 23 - 3 What is the difference between reversible and...Ch. 23 - Prob. 23.14PCh. 23 - 5 At a very low concentration of a certain...Ch. 23 - 6 If we wish to double the rate of an...Ch. 23 - 7 A bacterial enzyme has the following...Ch. 23 - 8 The optimal temperature for the action of...Ch. 23 - 9 The activity of pepsin was measured at various...Ch. 23 - Prob. 23.20PCh. 23 - Prob. 23.21PCh. 23 - Prob. 23.22PCh. 23 - Prob. 23.23PCh. 23 - 4 What kind of chemical reaction occurs most...Ch. 23 - 5 Which of the following is a correct statement...Ch. 23 - Prob. 23.26PCh. 23 - 7 Enzymes are long protein chains, usually...Ch. 23 - Prob. 23.28PCh. 23 - Prob. 23.29PCh. 23 - 0 Can the product of a reaction that is part of a...Ch. 23 - 1 What is the difference between a zymogen and a...Ch. 23 - 2 The enzyme trypsin is synthesized by the body in...Ch. 23 - Prob. 23.33PCh. 23 - Prob. 23.34PCh. 23 - Prob. 23.35PCh. 23 - Prob. 23.36PCh. 23 - Prob. 23.37PCh. 23 - Prob. 23.38PCh. 23 - 9 The enzyme phosphofructokinase (PFK) (Chapter...Ch. 23 - Prob. 23.40PCh. 23 - 1 After a heart attack, the levels of certain...Ch. 23 - Prob. 23.42PCh. 23 - Prob. 23.43PCh. 23 - Prob. 23.44PCh. 23 - 5 Chemists who have been exposed for years to or...Ch. 23 - 6 Which enzyme preparation is given to patients...Ch. 23 - 7 Chymotrypsm is secreted by the pancreas and...Ch. 23 - 8 Explain why transition-state analogs are potent...Ch. 23 - Prob. 23.49PCh. 23 - 0 Explain the relationship between...Ch. 23 - 1 (Chemical Connections 23A) Acetylcholine causes...Ch. 23 - Prob. 23.52PCh. 23 - Prob. 23.53PCh. 23 - Prob. 23.54PCh. 23 - Prob. 23.55PCh. 23 - 6 (Chemical Connections 23C) What role does Mn2+...Ch. 23 - 7 (Chemical Connections 23C) Which amino acids of...Ch. 23 - 8 (Chemical Connections 23D) What is the strategy...Ch. 23 - 9 (Chemical Connections 23D) Why did scientists...Ch. 23 - Prob. 23.60PCh. 23 - Prob. 23.61PCh. 23 - Prob. 23.62PCh. 23 - 3 (Chemical Connections 23E) What is the...Ch. 23 - Prob. 23.64PCh. 23 - Prob. 23.65PCh. 23 - Prob. 23.66PCh. 23 - Prob. 23.67PCh. 23 - Prob. 23.68PCh. 23 - Prob. 23.69PCh. 23 - Prob. 23.70PCh. 23 - 1 Food can be preserved by inactivation of enzymes...Ch. 23 - Prob. 23.72PCh. 23 - 3 Would you expect to find active digestive...Ch. 23 - Prob. 23.74PCh. 23 - Prob. 23.75PCh. 23 - Prob. 23.76PCh. 23 - 7 An enzyme has the following pH dependence: At...Ch. 23 - Prob. 23.78PCh. 23 - Prob. 23.79PCh. 23 - 0 Nerve gases operate by forming covalent bonds at...Ch. 23 - 1 What would be the appropriate name for an enzyme...Ch. 23 - Prob. 23.82PCh. 23 - 3 A liver enzyme is made of four subunits: 2A and...Ch. 23 - Prob. 23.84PCh. 23 - Prob. 23.85PCh. 23 - Prob. 23.86PCh. 23 - Prob. 23.87PCh. 23 - Prob. 23.88PCh. 23 - Prob. 23.89PCh. 23 - Prob. 23.90PCh. 23 - Prob. 23.91P
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- 16. The proton NMR spectral information shown in this problem is for a compound with formula CioH,N. Expansions are shown for the region from 8.7 to 7.0 ppm. The normal carbon-13 spec- tral results, including DEPT-135 and DEPT-90 results, are tabulated: 7 J Normal Carbon DEPT-135 DEPT-90 19 ppm Positive No peak 122 Positive Positive cus и 124 Positive Positive 126 Positive Positive 128 No peak No peak 4° 129 Positive Positive 130 Positive Positive (144 No peak No peak 148 No peak No peak 150 Positive Positive してしarrow_forward3. Propose a synthesis for the following transformation. Do not draw an arrow-pushing mechanism below, but make sure to draw the product of each proposed step (3 points). + En CN CNarrow_forwardShow work..don't give Ai generated solution...arrow_forward
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