Introduction To General, Organic, And Biochemistry

12th Edition

ISBN: 9781337571357

Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher: Cengage Learning

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Concept explainers

Carbohydrates

Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.

Starch

Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.

Mutarotation

The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of th…

L Sugar

A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotat…

Question

Chapter 20, Problem 34P

Interpretation Introduction

(a)

Interpretation:

All the carbon stereoisomers in a cholesterol molecule needs to be identified.

Concept Introduction:

A stereocenter is a carbon atom that is bonded to four different groups. It is also called a chiral carbon atom.

Interpretation Introduction

(b)

Interpretation:

The number of possible stereoisomers should be determined.

Concept Introduction:

A stereocenter is a carbon atom that is bonded to four different groups. It is also called a chiral carbon atom. If there are n stereocenters in a compound the number of stereoisomers can be calculated using the formula: 2ⁿ.

Interpretation Introduction

(c)

Interpretation:

The number of the stereoisomers of cholesterol present in the nature should be determined.

Concept Introduction:

A stereocenter is a carbon atom that is bonded to four different groups. It is also called a chiral carbon atom. If there are n stereocenters in a compound the number of stereoisomers can be calculated using the formula: 2ⁿ.

Expert Solution & Answer

Chapter 20 Solutions

Introduction To General, Organic, And Biochemistry

Ch. 20.2 - Prob. 20.1QC Ch. 20.4 - Prob. 20.2QC Ch. 20.5 - Prob. 20.3QC Ch. 20.7 - Prob. 20.4QC Ch. 20.8 - Prob. 20.5QC Ch. 20.9 - Prob. 20.6QC Ch. 20.10 - Prob. 20.7QC Ch. 20.13 - Prob. 20.8QC Ch. 20 - Prob. 1P Ch. 20 - 21-2 Why are fats a good source of energy for...

Ch. 20 - 21-3 Proteins, nucleic acids, and carbohydrates...Ch. 20 - Prob. 4P Ch. 20 - Prob. 5P Ch. 20 - Draw the line-angle structure for the following:...Ch. 20 - Prob. 7P Ch. 20 - What is the difference between the -system and...Ch. 20 - Prob. 9P Ch. 20 - Prob. 10P Ch. 20 - Prob. 11P Ch. 20 - Prob. 12P Ch. 20 - For the diglycerides in Problem 12 , predict which...Ch. 20 - 21-8 Predict which acid in each pair has the...Ch. 20 - Prob. 15P Ch. 20 - Prob. 16P Ch. 20 - Prob. 17P Ch. 20 - Prob. 18P Ch. 20 - 21-13 Rank the following in order of increasing...Ch. 20 - Prob. 20P Ch. 20 - Prob. 21P Ch. 20 - Prob. 22P Ch. 20 - Prob. 23P Ch. 20 - Prob. 24P Ch. 20 - Prob. 25P Ch. 20 - Prob. 26P Ch. 20 - Prob. 27P Ch. 20 - Prob. 28P Ch. 20 - 21-29 Name all the groups of complex lipids that...Ch. 20 - Prob. 30P Ch. 20 - Prob. 31P Ch. 20 - Prob. 32P Ch. 20 - Prob. 33P Ch. 20 - Prob. 34P Ch. 20 - Prob. 35P Ch. 20 - Prob. 36P Ch. 20 - Prob. 37P Ch. 20 - Prob. 38P Ch. 20 - 21-39 How does VLDL become LDL?Ch. 20 - Prob. 40P Ch. 20 - Prob. 41P Ch. 20 - Prob. 42P Ch. 20 - Prob. 43P Ch. 20 - 21-44 Describe the difference in structure between...Ch. 20 - Prob. 45P Ch. 20 - Prob. 46P Ch. 20 - Prob. 47P Ch. 20 - 21-48 List all of the functional groups that make...Ch. 20 - 21-49 Explain how the constant elimination of bile...Ch. 20 - Prob. 50P Ch. 20 - Prob. 51P Ch. 20 - 21-52 What are the chemical and physiological...Ch. 20 - 21-53 How does aspirin, an anti-inflammatory drug,...Ch. 20 - Prob. 54P Ch. 20 - Prob. 55P Ch. 20 - For each of the processes below, tell whether it...Ch. 20 - Prob. 57P Ch. 20 - Prob. 58P Ch. 20 - Prob. 59P Ch. 20 - Prob. 60P Ch. 20 - Prob. 61P Ch. 20 - Prob. 62P Ch. 20 - Prob. 63P Ch. 20 - Prob. 64P Ch. 20 - Prob. 65P Ch. 20 - Prob. 66P Ch. 20 - Prob. 67P Ch. 20 - Prob. 68P Ch. 20 - Prob. 69P Ch. 20 - 21-68 What is the role of taurine in lipid...Ch. 20 - Prob. 71P Ch. 20 - 21-70 How many different triglycerides can you...Ch. 20 - Prob. 73P Ch. 20 - Prob. 74P Ch. 20 - Prob. 75P Ch. 20 - Prob. 76P Ch. 20 - Prob. 77P Ch. 20 - 21-76 Which part of LDL interacts with the LDL...Ch. 20 - Prob. 79P Ch. 20 - Prob. 80P Ch. 20 - Prob. 81P Ch. 20 - Prob. 82P Ch. 20 - Prob. 83P Ch. 20 - 21-82 Suggest a reason why the same protein system...Ch. 20 - Prob. 85P Ch. 20 - Prob. 86P Ch. 20 - 21-85 Which of the following statements is (are)...Ch. 20 - Prob. 88P Ch. 20 - 21-87 Which statements are consistent with the...Ch. 20 - Prob. 90P Ch. 20 - Prob. 91P Ch. 20 - 21-90 To what extent do lipids and carbohydrates...Ch. 20 - Prob. 93P Ch. 20 - Prob. 94P Ch. 20 - Prob. 95P Ch. 20 - Prob. 96P Ch. 20 - Prob. 97P Ch. 20 - Prob. 98P Ch. 20 - Prob. 99P Ch. 20 - Prob. 100P Ch. 20 - Prob. 101P Ch. 20 - 21-100 What are the functions of a cell membrane?...Ch. 20 - 21-101 Glycerophospholipids tend to have both a...Ch. 20 - Prob. 104P

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(a) Interpretation: All the carbon stereoisomers in a cholesterol molecule needs to be identified. Concept Introduction: A stereocenter is a carbon atom that is bonded to four different groups. It is also called a chiral carbon atom.

Solution Summary: The author explains that a cholesterol molecule contains 8 carbon stereocenters, which are bonded to four different groups. The number of possible stereoisomers should be determined.

Concept explainers

(a) Interpretation: All the carbon stereoisomers in a cholesterol molecule needs to be identified. Concept Introduction: A stereocenter is a carbon atom that is bonded to four different groups. It is also called a chiral carbon atom.

Chapter 20 Solutions

(a)

Interpretation:

All the carbon stereoisomers in a cholesterol molecule needs to be identified.

Concept Introduction:

A stereocenter is a carbon atom that is bonded to four different groups. It is also called a chiral carbon atom.