
General, Organic, and Biological Chemistry
7th Edition
ISBN: 9781285853918
Author: H. Stephen Stoker
Publisher: Cengage Learning
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Chapter 25.9, Problem 2QQ
Interpretation Introduction
Interpretation:
The correct statement about the biosynthetic pathway for cholesterol synthesis has to be identified.
Concept introduction:
Cholesterol is an important component of cell membranes. It is used as the precursor for sex hormones, bile salts, and adrenal hormones.
The biosynthesis of cholesterol occurs in the liver. It is a C27 molecule. The structure of cholesterol is as follows:
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Students have asked these similar questions
Decide whether these proposed Lewis structures are reasonable.
proposed Lewis structure
Yes.
Is the proposed Lewis structure reasonable?
Cl-
: 2:
:Z:
:Z:
N—N
: 0:
C C1:
O CO
No, it has the wrong number of valence electrons.
The correct number is: ☐
No, it has the right number of valence electrons but doesn't satisfy the
octet rule.
The symbols of the problem atoms are:* ☐
Yes.
No, it has the wrong number of valence electrons.
The correct number is: ☐
No, it has the right number of valence electrons but doesn't satisfy the
octet rule.
The symbols of the problem atoms are:* |
Yes.
No, it has the wrong number of valence electrons.
The correct number is:
No, it has the right number of valence electrons but doesn't satisfy the
octet rule.
The symbols of the problem atoms are:* |
If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many
times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "0,0".
☑
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy
AS.
Note: if you have not been given enough information to decide a sign, select the "unknown" option.
reaction
observations
conclusions
ΔΗ is
(pick one)
A
This reaction is faster above 103. °C than
below.
AS is
(pick one)
ΔΗ is
(pick one)
B
This reaction is spontaneous only above
-9. °C.
AS is
(pick one)
ΔΗ is
(pick one)
C
The reverse of this reaction is always
spontaneous.
AS is
(pick one)
18
Ar
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy
AS.
Note: if you have not been given enough information to decide a sign, select the "unknown" option.
reaction
observations
conclusions
A
The reverse of this reaction is always
spontaneous but proceeds slower at
temperatures below 41. °C.
ΔΗ is
(pick one)
AS is
(pick one)
ΔΗ is
(pick one)
B
This reaction is spontaneous except above
94. °C.
AS is
(pick one)
This reaction is always spontaneous, but
ΔΗ is
(pick one)
C
proceeds slower at temperatures below
−14. °C.
AS is
(pick one)
Х
00.
18
Ar
무ㅎ
B
1
1
Chapter 25 Solutions
General, Organic, and Biological Chemistry
Ch. 25.1 - Which of the following statements about digestion...Ch. 25.1 - Prob. 2QQCh. 25.1 - The major function of bile released during...Ch. 25.1 - The two major products of triacylglycerol...Ch. 25.1 - Prob. 5QQCh. 25.2 - Hormone-sensitive lipase needed for...Ch. 25.2 - Prob. 2QQCh. 25.2 - Which of the following is not a product of...Ch. 25.3 - Prob. 1QQCh. 25.3 - What is the intermediate compound in the two-step...
Ch. 25.3 - Prob. 3QQCh. 25.4 - Prob. 1QQCh. 25.4 - Prob. 2QQCh. 25.4 - Prob. 3QQCh. 25.4 - Prob. 4QQCh. 25.4 - Prob. 5QQCh. 25.4 - Prob. 6QQCh. 25.5 - Prob. 1QQCh. 25.5 - Prob. 2QQCh. 25.5 - Prob. 3QQCh. 25.6 - Prob. 1QQCh. 25.6 - Prob. 2QQCh. 25.6 - Prob. 3QQCh. 25.6 - Prob. 4QQCh. 25.6 - Prob. 5QQCh. 25.6 - Prob. 6QQCh. 25.7 - Prob. 1QQCh. 25.7 - Prob. 2QQCh. 25.7 - Prob. 3QQCh. 25.7 - Prob. 4QQCh. 25.7 - The reducing agent needed in the process of...Ch. 25.7 - Prob. 6QQCh. 25.8 - Prob. 1QQCh. 25.8 - Prob. 2QQCh. 25.9 - Prob. 1QQCh. 25.9 - Prob. 2QQCh. 25.9 - Prob. 3QQCh. 25.9 - Prob. 4QQCh. 25.10 - Which of the following substances cannot be...Ch. 25.10 - Prob. 2QQCh. 25.10 - Which of the following processes occurs within the...Ch. 25.11 - Prob. 1QQCh. 25.11 - Prob. 2QQCh. 25.11 - Prob. 3QQCh. 25 - Indicate whether each of the following aspects of...Ch. 25 - Indicate whether each of the following aspects of...Ch. 25 - Indicate whether each of the following pairings of...Ch. 25 - Prob. 25.4EPCh. 25 - Indicate whether each of the following statements...Ch. 25 - Prob. 25.6EPCh. 25 - Prob. 25.7EPCh. 25 - What is a chylomicron?Ch. 25 - What are the products of the complete hydrolysis...Ch. 25 - What are the major products of the incomplete...Ch. 25 - Prob. 25.11EPCh. 25 - At what location are free fatty acids and...Ch. 25 - Prob. 25.13EPCh. 25 - Prob. 25.14EPCh. 25 - Prob. 25.15EPCh. 25 - Prob. 25.16EPCh. 25 - Prob. 25.17EPCh. 25 - Prob. 25.18EPCh. 25 - Prob. 25.19EPCh. 25 - Prob. 25.20EPCh. 25 - Prob. 25.21EPCh. 25 - Prob. 25.22EPCh. 25 - Prob. 25.23EPCh. 25 - Prob. 25.24EPCh. 25 - Prob. 25.25EPCh. 25 - Prob. 25.26EPCh. 25 - Prob. 25.27EPCh. 25 - Identify the oxidizing agent needed in Step 3 of a...Ch. 25 - Prob. 25.29EPCh. 25 - Prob. 25.30EPCh. 25 - Prob. 25.31EPCh. 25 - Prob. 25.32EPCh. 25 - Prob. 25.33EPCh. 25 - Prob. 25.34EPCh. 25 - Prob. 25.35EPCh. 25 - Prob. 25.36EPCh. 25 - Prob. 25.37EPCh. 25 - Prob. 25.38EPCh. 25 - Prob. 25.39EPCh. 25 - Prob. 25.40EPCh. 25 - Prob. 25.41EPCh. 25 - Prob. 25.42EPCh. 25 - How many turns of the -oxidation pathway would be...Ch. 25 - How many turns of the -oxidation pathway would be...Ch. 25 - Prob. 25.45EPCh. 25 - Prob. 25.46EPCh. 25 - Prob. 25.47EPCh. 25 - Prob. 25.48EPCh. 25 - Prob. 25.49EPCh. 25 - Explain why fatty acids cannot serve as fuel for...Ch. 25 - Prob. 25.51EPCh. 25 - Prob. 25.52EPCh. 25 - Prob. 25.53EPCh. 25 - Prob. 25.54EPCh. 25 - Prob. 25.55EPCh. 25 - Prob. 25.56EPCh. 25 - Prob. 25.57EPCh. 25 - Prob. 25.58EPCh. 25 - Prob. 25.59EPCh. 25 - Prob. 25.60EPCh. 25 - Prob. 25.61EPCh. 25 - Why does a deficiency of carbohydrates in the diet...Ch. 25 - Prob. 25.63EPCh. 25 - Prob. 25.64EPCh. 25 - Prob. 25.65EPCh. 25 - Prob. 25.66EPCh. 25 - Prob. 25.67EPCh. 25 - Prob. 25.68EPCh. 25 - Prob. 25.69EPCh. 25 - Prob. 25.70EPCh. 25 - Prob. 25.71EPCh. 25 - Prob. 25.72EPCh. 25 - Prob. 25.73EPCh. 25 - Prob. 25.74EPCh. 25 - Prob. 25.75EPCh. 25 - Severe ketosis situations produce acidosis....Ch. 25 - Prob. 25.77EPCh. 25 - Prob. 25.78EPCh. 25 - Prob. 25.79EPCh. 25 - Prob. 25.80EPCh. 25 - Prob. 25.81EPCh. 25 - Prob. 25.82EPCh. 25 - Prob. 25.83EPCh. 25 - Prob. 25.84EPCh. 25 - Prob. 25.85EPCh. 25 - Prob. 25.86EPCh. 25 - Prob. 25.87EPCh. 25 - Prob. 25.88EPCh. 25 - Prob. 25.89EPCh. 25 - Prob. 25.90EPCh. 25 - Prob. 25.91EPCh. 25 - Prob. 25.92EPCh. 25 - Prob. 25.93EPCh. 25 - Prob. 25.94EPCh. 25 - What role does molecular oxygen, O2, play in fatty...Ch. 25 - Prob. 25.96EPCh. 25 - Prob. 25.97EPCh. 25 - Prob. 25.98EPCh. 25 - Prob. 25.99EPCh. 25 - Prob. 25.100EPCh. 25 - Prob. 25.101EPCh. 25 - Prob. 25.102EPCh. 25 - Prob. 25.103EPCh. 25 - Prob. 25.104EPCh. 25 - Prob. 25.105EPCh. 25 - Prob. 25.106EPCh. 25 - Prob. 25.107EPCh. 25 - Prob. 25.108EPCh. 25 - Prob. 25.109EPCh. 25 - Prob. 25.110EPCh. 25 - Prob. 25.111EPCh. 25 - Prob. 25.112EPCh. 25 - Prob. 25.113EPCh. 25 - Prob. 25.114EP
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