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

, DOWNLOAD THE Test Bank for Biochemistry 9th Edition Campbell
3i 3i 3i 3i 3i 3i 3i 3i




Chapter 02 - Water: The Solvent for Biochemical Reactions
3i 3i 3i 3i 3i 3i 3i 3i




1. The tendency for an atom to attract electrons to itself in a chemical bond is called
3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i


a. polarity.
b. electronegativity.
c. hydrophilicity
d. electrophilicity.
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
3i 3i



HAS VARIABLES:
3i False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
3i 3 i 3i 3i 3i 3i


TOPICS: Water and Polarity 3i 3i


DATE CREATED: 3i 12/23/2013 2:14 PM 3i 3i


DATE MODIFIED:3i 12/23/2013 2:14 PM 3i 3i




2. If atoms with greatly differing electronegativities form a bond, that bond will be
3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i


a. polar.
b. nonpolar.
c. amphipathic.
d. acidic.
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
3i 3i


HAS VARIABLES:
3i False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
3i 3 i 3i 3i 3i 3i


TOPICS: Water and Polarity 3i 3i


DATE CREATED: 3i 12/23/2013 2:14 PM 3i 3i


DATE MODIFIED:3i 12/23/2013 2:14 PM 3i 3i




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


a. it is polar 3i 3i



b. it forms hydrogen bonds
3i 3i 3i


c. it is a bent molecule
3i 3i 3i 3i


d. all of these are true
3i 3i 3i 3i



ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
3i 3i


HAS VARIABLES:
3i False
LEARNING OBJECTIVES: CAFA.BIOC.15.6 - Modified in 7e
3i 3 i 3i 3i 3i 3i


TOPICS: Water and Polarity 3i 3i


DATE CREATED: 3i 12/23/2013 2:14 PM 3i 3i



DATE MODIFIED:3i 12/23/2013 2:14 PM 3i 3i




4. Which of the following is true about ionic compounds?
3i 3i 3i 3i 3i 3i 3i 3i


a. They are more likely to dissolve in non-polar solvents than covalent compounds.
3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i




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, DOWNLOAD THE Test Bank for Biochemistry 9th Edition Campbell
3i 3i 3i 3i 3i 3i 3i 3i




Chapter 02 - Water: The Solvent for Biochemical Reactions
3i 3i 3i 3i 3i 3i 3i 3i




b. They always dissolve completely in water.
3i 3i 3i 3i 3i


c. They never dissolve in polar solvents.
3i 3i 3i 3i 3i


d. Some of them dissolve completely in water or other polar solvents, while others do not.
3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i



ANSWER: d
POINTS: 1
QUESTION TYPE: 3i Multiple Choice 3i


HAS VARIABLES:
3i False
LEARNING OBJECTIVES: CAFA.BIOC.15.4 - New in 7e
3i 3 i 3i 3i 3i 3i



TOPICS: Water and Polarity 3i 3i


DATE CREATED:
3i 12/23/2013 2:14 PM 3i 3i


DATE MODIFIED:
3i 12/23/2013 2:14 PM 3i 3i




5. Which of the following is a correct listing of electronegativity values, from low to high?
3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i 3i


a. C, H, O, N
3i 3i 3i


b. N, H, O, C
3i 3i 3i


c. H, C, N, O
3i 3i 3i


d. H, C, O, N
3i 3i 3i



ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
3i 3 i 3i


HAS VARIABLES: False
3i 3 i


TOPICS:
Water and Polarity 3i 3i 3i


DATE CREATED:
3i


12/23/2013 2:14 PM 3i 3i 3i


DATE MODIFIED: 12/23/2013 2:14 P
3i 3i3i 3i 3i


M

6. Which of the following elements has the highest electronegativity?
3i 3i 3i 3i 3i 3i 3i 3i


a. C 3i


b. H 3i


c. N 3i


d. O 3i


e. P 3i



ANSWER: d
POINTS: 1
QUESTION TYPE: 3i Multiple Choice 3i


HAS VARIABLES:
3i False
LEARNING OBJECTIVES: CAFA.BIOC.15.5 - Modified from 5e
3i 3 i 3i 3i 3i 3i


TOPICS: Water and Polarity 3i 3i


DATE CREATED:
3i 12/23/2013 2:14 PM 3i 3i


DATE MODIFIED:
3i 12/23/2013 2:14 PM 3i 3i




7. The water molecule is polar because:
3i 3i 3i 3i 3i



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, a. Electrons are not distributed symmetrically in the molecule.
3i 3i 3i 3i 3i 3i 3i


b. The hydrogen atoms are found on one "side" of the molecule.
3i 3i 3i 3i 3i 3i 3i 3i 3i 3i



c. Hydrogen is less electronegative than oxygen.
3i 3i 3i 3i 3i




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