Complete Test Bank For Biochemistry 9th Edition Campbell Questions & Answers with rationales (Chapter 1-24)

, DOWNLOAD THE Test Bank for Biochemistry 9th Edition Campbell jl jl jl jl jl jl jl jl




Chapter 02 - Water: The Solvent for Biochemical Reactions
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1. The tendency for an atom to attract electrons to itself in a chemical bond is called
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a. polarity.
b. electronegativity.
c. hydrophilicity
d. electrophilicity.
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice jl jl



HAS VARIABLES:
jl False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6ejl j l jl jl jl jl


TOPICS: Water and Polarity jl jl


DATE CREATED: jl 12/23/2013 2:14 PM jl jl


DATE MODIFIED: jl 12/23/2013 2:14 PM jl jl




2. If atoms with greatly differing electronegativities form a bond, that bond will be
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a. polar.
b. nonpolar.
c. amphipathic.
d. acidic.
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choicejl jl


HAS VARIABLES:
jl False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6ejl j l jl jl jl jl


TOPICS: Water and Polarity jl jl


DATE CREATED: jl 12/23/2013 2:14 PM jl jl


DATE MODIFIED: jl 12/23/2013 2:14 PM jl jl




3. Many of the properties of water can be accounted for by the fact that
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a. it is polar jl jl



b. it forms hydrogen bonds
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c. it is a bent molecule
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d. all of these are true jl jl jl jl



ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice jl jl


HAS VARIABLES:
jl False
LEARNING OBJECTIVES: CAFA.BIOC.15.6 - Modified in 7e
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TOPICS: Water and Polarity jl jl


DATE CREATED: jl 12/23/2013 2:14 PM jl jl



DATE MODIFIED: jl 12/23/2013 2:14 PM jl jl




4. Which of the following is true about ionic compounds?
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a. They are more likely to dissolve in non-polar solvents than covalent compounds.
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, DOWNLOAD THE Test Bank for Biochemistry 9th Edition Campbell
jl jl jl jl jl jl jl jl




Chapter 02 - Water: The Solvent for Biochemical Reactions
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b. They always dissolve completely in water.
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c. They never dissolve in polar solvents.
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d. Some of them dissolve completely in water or other polar solvents, while others do not.
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ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
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HAS VARIABLES:
jl False
LEARNING OBJECTIVES: CAFA.BIOC.15.4 - New in 7e
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TOPICS: Water and Polarity jl jl


DATE CREATED:
jl 12/23/2013 2:14 PM jl jl


DATE MODIFIED:
jl 12/23/2013 2:14 PM jl jl




5. Which of the following is a correct listing of electronegativity values, from low to high?
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a. C, H, O, N jl jl jl


b. N, H, O, C jl jl jl


c. H, C, N, O jl jl jl


d. H, C, O, N jl jl jl



ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice jl j l jl


HAS VARIABLES: False
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TOPICS:
Water and Polarity D jl jl jl


ATE CREATED:
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12/23/20132:14PM jl jl jl


DATE MODIFIED: 12/23/2013 2:14 PM
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6. Which of the following elements has the highest electronegativity?
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a. C jl


b. H jl


c. N jl


d. O jl


e. P jl



ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
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HAS VARIABLES:
jl False
LEARNING OBJECTIVES: CAFA.BIOC.15.5 - Modified from 5e
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TOPICS: Water and Polarity jl jl


DATE CREATED:
jl 12/23/2013 2:14 PM jl jl


DATE MODIFIED:
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7. The water molecule is polar because:
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a. Electrons are not distributed symmetrically in the molecule.
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, b. The hydrogen atoms are found on one "side" of the molecule.
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c. Hydrogen is less electronegative than oxygen.
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