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
wi wi



HAS VARIABLES:
wi False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
wi w i wi wi wi wi


TOPICS: Water and Polarity wi wi


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


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




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
wi wi


HAS VARIABLES:
wi False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
wi w i wi wi wi wi


TOPICS: Water and Polarity wi wi


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


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




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



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
wi wi


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


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



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




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
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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
wi wi


HAS VARIABLES:
wi False
LEARNING OBJECTIVES: CAFA.BIOC.15.4 - New in 7e
wi w i wi wi wi wi



TOPICS: Water and Polarity wi wi


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


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




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 wi wi wi


b. N, H, O, C wi wi wi


c. H, C, N, O wi wi wi


d. H, C, O, N wi wi wi



ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice wi w i wi


HAS VARIABLES: False
wi w i


TOPICS:
Water and Polarity wi wi wi


DATE CREATED: wi


12/23/2013 2:14 PM wi wi


DATE MODIFIED: 12/23/2013 2:14 P
wi wi wiwi wi wi


M

6. Which of the following elements has the highest electronegativity?
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a. C wi


b. H wi


c. N wi


d. O wi


e. P wi



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


HAS VARIABLES:
wi False
LEARNING OBJECTIVES: CAFA.BIOC.15.5 - Modified from 5e
wi w i wi wi wi wi


TOPICS: Water and Polarity wi wi


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


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




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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