Campbell Essential Biology (6th Edition) - standalone book
6th Edition
ISBN: 9780133917789
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece, Kelly A. Hogan
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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Polyunsaturated fatty acids
a). are solid at room temperature
b). have carbon-carbon double bonds
c). are polar
d). have high melting points
Which 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.
Fats 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 water
Chapter 3 Solutions
Campbell Essential Biology (6th Edition) - standalone book
Ch. 3 - One isomer of methamphetamine is the addictive...Ch. 3 - Monomers are joined together to form larger...Ch. 3 - Prob. 3SQCh. 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 - Scientists at the U.S. Food and Drug...Ch. 3 - Imagine that you have produced several versions of...Ch. 3 - Prob. 17PSCh. 3 - Prob. 18BSCh. 3 - Heart disease is the leading cause of death among...Ch. 3 - Prob. 20BS
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- How is the structure of saturated fats different from that of unsaturated fats? A. All of the carbons in the hydrocarbon tails of saturated fats are bonded to one another with double bonds. B. Saturated fats have three hydrocarbon tails bonded to the glycerol molecule instead of just two. C. The hydrocarbon tails in a saturated fat have the maximum number of hydrogens possible. D. Saturated fats have no oxygens present. What are the primary functions of carbohydrates in cells? A. Energy storage, cell identity, structure, and building blocks for synthesis. B. Catalysis, structure, and energy storage. C. Different orientation of a hydroxyl in the ring form. D. Different position of the carbonyl group in the linear form. A positive test for starch would give the following colors: A. Dark blue, black, or purple B. Red, yellow, orange-red, green C. Bright Purple D. Purely Bluearrow_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_forwardWhich of the following is incorrect regarding nucleotides?a. They contain a sugar, a nitrogen-containing base, and aphosphate group.b. They are the monomers of fats and polysaccharides.c. They join together by alternating covalent bonds between thesugars and phosphate groups.d. They are present in both DNA and RNAarrow_forward
- Fatty acids that have ______ are more likely to be liquid at room temperature. A. more double bonds B. fewer double bonds C. a longer carbon chain D. a shorter carbon chainarrow_forwardWhich of the following statements is incorrect about disulfide bonds? a. They form between two cysteine amino acids.b. They are noncovalent.c. They contribute to the tertiary structure of some proteins.d. They contribute to the quaternary structure of some proteins.e. They involve the loss of two hydrogen atoms.arrow_forwardWhich of the following statements is False?a. In starch breakdown, water is formed.b. In chitin, glucoses are linked as in cellulose.c. Peptide bonds determine primary peptide structure.d. Disulfide bridges are formed by covalent bonds.arrow_forward
- Saturated fats are a part of what biomolecules? A. Lipids B.Nucleic acids C. Protein D.Carbohydratesarrow_forwardStructurally, lipids are a very diverse group but they are all placed in one group because of what? A.They are all important as energy storage molecules. B. They are composed of glycerol and fatty acids. C. They all contain four interlocking rings.D. They are all relatively insoluble in water.arrow_forwardThree proteins K, L and M have the same % composition. Which is TRUE? A. The three proteins will have the same amino acid sequence B. The tertiary structure of these proteins will depend on the sequence of their amino acids C. The three proteins will have the same function D. The three proteins will have the same shapearrow_forward
- A characteristic common to fat molecules is that theya. contain long chains of C–H bonds.b. are insoluble in water.c. have a glycerol backbone.d. All of these are characteristics of fats.arrow_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_forwardCompare nucleic acids with polysaccharides. Which of the following is NOT true? Group of answer choices A) Both have monomers that contain simple sugars. B) Both function as structural support for cells. C) Both types of molecules are organic. D) Both are polymerized by dehydration reactions. .arrow_forward
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