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

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2i 2i 2i 2i 2i 2i 2i 2i




Chapter 02 - Water: The Solvent for Biochemical Reactions
2i 2i 2i 2i 2i 2i 2i 2i




1. The tendency for an atom to attract electrons to itself in a chemical bond is called
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i


a. polarity.
b. electronegativity.
c. hydrophilicity
d. electrophilicity.
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
2i 2i



HAS VARIABLES:
2i False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
2i 2 i 2i 2i 2i 2i


TOPICS: Water and Polarity 2i 2i


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


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




2. If atoms with greatly differing electronegativities form a bond, that bond will be
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i


a. polar.
b. nonpolar.
c. amphipathic.
d. acidic.
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
2i 2i


HAS VARIABLES:
2i False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
2i 2 i 2i 2i 2i 2i


TOPICS: Water and Polarity 2i 2i


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


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




3. Many of the properties of water can be accounted for by the fact that
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i


a. it is polar 2i 2i



b. it forms hydrogen bonds
2i 2i 2i


c. it is a bent molecule
2i 2i 2i 2i


d. all of these are true
2i 2i 2i 2i



ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
2i 2i


HAS VARIABLES:
2i False
LEARNING OBJECTIVES: CAFA.BIOC.15.6 - Modified in 7e
2i 2 i 2i 2i 2i 2i


TOPICS: Water and Polarity 2i 2i


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



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




4. Which of the following is true about ionic compounds?
2i 2i 2i 2i 2i 2i 2i 2i


a. They are more likely to dissolve in non-polar solvents than covalent compounds.
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i




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, DOWNLOAD THE Test Bank for Biochemistry 9th Edition Campbell
2i 2i 2i 2i 2i 2i 2i 2i




Chapter 02 - Water: The Solvent for Biochemical Reactions
2i 2i 2i 2i 2i 2i 2i 2i




b. They always dissolve completely in water.
2i 2i 2i 2i 2i


c. They never dissolve in polar solvents.
2i 2i 2i 2i 2i


d. Some of them dissolve completely in water or other polar solvents, while others do not.
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i



ANSWER: d
POINTS: 1
QUESTION TYPE: 2i Multiple Choice 2i


HAS VARIABLES:
2i False
LEARNING OBJECTIVES: CAFA.BIOC.15.4 - New in 7e
2i 2 i 2i 2i 2i 2i



TOPICS: Water and Polarity 2i 2i


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


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




5. Which of the following is a correct listing of electronegativity values, from low to high?
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i


a. C, H, O, N
2i 2i 2i


b. N, H, O, C
2i 2i 2i


c. H, C, N, O
2i 2i 2i


d. H, C, O, N
2i 2i 2i



ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
2i 2 i 2i


HAS VARIABLES: False
2i 2 i


TOPICS:
Water and Polarity 2i 2i 2i


DATE CREATED:
2i


12/23/2013 2:14 PM 2i 2i 2i


DATE MODIFIED: 12/23/2013 2:14 P
2i 2i2i 2i 2i


M

6. Which of the following elements has the highest electronegativity?
2i 2i 2i 2i 2i 2i 2i 2i


a. C 2i


b. H 2i


c. N 2i


d. O 2i


e. P 2i



ANSWER: d
POINTS: 1
QUESTION TYPE: 2i Multiple Choice 2i


HAS VARIABLES:
2i False
LEARNING OBJECTIVES: CAFA.BIOC.15.5 - Modified from 5e
2i 2 i 2i 2i 2i 2i


TOPICS: Water and Polarity 2i 2i


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


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




7. The water molecule is polar because:
2i 2i 2i 2i 2i



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, a. Electrons are not distributed symmetrically in the molecule.
2i 2i 2i 2i 2i 2i 2i


b. The hydrogen atoms are found on one "side" of the molecule.
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i



c. Hydrogen is less electronegative than oxygen.
2i 2i 2i 2i 2i




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