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

, DOWNLOAD THE Test Bank for Biochemistry 9th Edition Campbell
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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
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HAS VARIABLES:
fh False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
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TOPICS: Water and Polarity fh fh


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


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




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 Choice
fh fh


HAS VARIABLES:
fh False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
fh f h fh fh fh fh


TOPICS: Water and Polarity fh fh


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


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




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



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


HAS VARIABLES:
fh False
LEARNING OBJECTIVES: CAFA.BIOC.15.6 - Modified in 7e
fh f h fh fh fh fh


TOPICS: Water and Polarity fh fh


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



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




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
fh fh fh fh fh fh fh fh




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
fh fh


HAS VARIABLES:
fh False
LEARNING OBJECTIVES: CAFA.BIOC.15.4 - New in 7e
fh f h fh fh fh fh



TOPICS: Water and Polarity fh fh


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


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




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 fh fh fh


b. N, H, O, C fh fh fh


c. H, C, N, O fh fh fh


d. H, C, O, N fh fh fh



ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice fh f h fh


HAS VARIABLES: False
fh f h


TOPICS:
Water and Polarity fh fh fh


DATE CREATED:fh


12/23/2013 2:14 PM fh fh f


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


b. H fh


c. N fh


d. O fh


e. P fh



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


HAS VARIABLES:
fh False
LEARNING OBJECTIVES: CAFA.BIOC.15.5 - Modified from 5e
fh f h fh fh fh fh


TOPICS: Water and Polarity fh fh


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


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




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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