Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 3, Problem 7SQ
Summary Introduction
Introduction:
There are some essential molecules for all the living organisms. These are classified into 4 classes; proteins, carbohydrates,
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ipids that are liquid at room temperature:a. are fats.b. contain more hydrogen atoms than lipids that are solids at room temperature.c. if polyunsaturated, contain several double bonds in their fatty acid chains.d. lack glycerol.e. are not stored in cells as triglycerides.
Monounsaturated fatty acids have a single double bond. Polyunsaturated fatty acids have multiple
double bonds. Which of the following statements is true?
O A. Monounsaturated fatty acids store more energy than polyunsaturated fatty acids.
B. Polyunsaturated fatty acids store more energy than monounsaturated fatty acids.
C. Polyunsaturated fats have a lower melting point than monounsaturated fatty acids.
D. Monounsaturated fats have a lower melting point than polyunsaturated fatty acids.
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Which one of the following statements about lipids is correct?a. Saturated fats contain many double bonds.b. Unsaturated fats do not have double bonds.c. Fatty acids contain 9 kilocalories per gram.d. Steroids consist of chain structure molecules.
Chapter 3 Solutions
Campbell Essential Biology (7th Edition)
Ch. 3 - One isomer of methamphetamine is the addictive...Ch. 3 - Monomers are joined together to form larger...Ch. 3 - Polymers are broken down into monomers through the...Ch. 3 - Prob. 4SQCh. 3 - When two molecules of glucose (C6H12O6) are joined...Ch. 3 - One molecule of dietary fat is made by joining...Ch. 3 - Prob. 7SQCh. 3 - Prob. 8SQCh. 3 - Prob. 9SQCh. 3 - Most proteins can easily dissolve in water. Where...
Ch. 3 - Prob. 11SQCh. 3 - A glucose molecule is to _____ as a nucleotide is...Ch. 3 - Name three similarities between DNA and RNA. Name...Ch. 3 - Prob. 14SQCh. 3 - For each statement, identify which major theme is...Ch. 3 - For each statement, identify which major theme is...Ch. 3 - Prob. 17IMTCh. 3 - Scientists at the U.S. Food and Drug...Ch. 3 - Imagine that you have produced several versions of...Ch. 3 - Prob. 20PSCh. 3 - Prob. 21BSCh. 3 - Heart disease is the leading cause of death among...Ch. 3 - Each year, industrial chemists develop and test...
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- Which of the statements about carbohydrates is INCORRECT? A. Carbohydrates are hydrates of carbon. B. Carbohydrates exist in the linear or cyclic forms. C. Carbohydrates are polymers of monosaccharides linked by ether bonds. D. Carbohydrates are polymers of polyhydroxy aldehydes or ketones. E. Carbohydrates are polymers of the same type of monosaccharide or at least 2 different types of monosaccharide units.arrow_forwardWhich of the following statements concerning palmitic acid is INCORRECT? a. It can barely be dissolved in water. b. It is an unsaturated fatty acid. c. It is consisted of 16 carbons. d. It is a lipid.arrow_forwardWhich of the following is the distinguishing characteristic between fats and oils? O A. Identity of the alcohol component present ○ B. Number of structural subunits present O c. Physical state at room temperature D. Number of fatty acids residue present 43arrow_forward
- match each type of molecule with its characteristics: a. starch b. glycogen c. fat d. nucleotide i. stores energy in plants ii. consists of a pentose sugar, phosphate, and nitrogenous base iii. 3 fatty acids attached to a glycerol iv. a branched polysaccharide in animals select one: a. a-i, b-iii, c-ii, d-iv b. a-i, b-iv, c-iii, d-ii c. a-iii, b-iv, c-iii, d-i d. a-ii, b-iv, c-iii, d-i e. a-iv, b-i, c-ii, d-iiiarrow_forwardWhich of the following statements about trans-fatty acids is/are FALSE? A. Healthier than saturated FA. B. May be present in butter substitutes. C. Properties are similar to saturated FA. D. Formed from the hydrogenation of C=C.arrow_forwardWhich of the following statements is false? a. Fiber is a polysaccharide that is completely or partially indigestible by the human body. b. A complete protein contains all of the essential amino acids. c. Saturated fats contain hydrogen atoms arranged on opposite sides of the carbon-carbon double bond. d. Linoleic and linolenic acid are essential fatty acidarrow_forward
- How do fats and oils compare with respect to each of the following features? a. identity and number of functional groups present b. number of carbon–carbon double bonds present c. melting point d. natural sourcearrow_forwardSaturated fats: A. contain many double bonds B. exist as solids at room temperature C. have two fatty acid chains D. exist as liquids and are derived from plants E. are formed from 4 interlocking carbon ringsarrow_forwardFats do not dissolve in water because Select one: a. There are no C-H bonds to form hydrogen bonds with water b. There are no O-H bonds form hydrogen bonds with water c. There are no C-C bonds to form hydrogen bonds with water d. There are no C-H bonds for covalent bonds with water e. There are no C-C bonds to form covalent bonds with waterarrow_forward
- Which of the following statements about trans-fatty acids is/are FALSE? a.Healthier than saturated FA. b.Formed from the hydrogenation of C=C. c.May be present in butter substitutes. d.Properties are similar to saturated FA.arrow_forwardWhich of the following is the characteristic that is common to all lipids?* A. They are made up of lots of double bonds B. They are acidic when mixed with water C. They are insoluble in water D. They do not have high energy contentarrow_forwardOne of the results of a fat being saturated is that the molecules interact stronger. This means that saturated fats are usually solid at room temperature while unsaturated fats are typically liquids. The interactions between triglycerides falls under which of the following types. Select one: a. Covalent Bonds b. van der Walls bonds c. Hydrogen Bonds d. Ionic Bondsarrow_forward
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