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

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




Chapter 02 - Water: The Solvent for Biochemical Reactions
ji ji ji ji ji ji ji ji




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


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



HAS VARIABLES:
ji False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6eji j i ji ji ji ji


TOPICS: Water and Polarity ji ji


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


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




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


a. polar.
b. nonpolar.
c. amphipathic.
d. acidic.
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choiceji ji


HAS VARIABLES:
ji False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6eji j i ji ji ji ji


TOPICS: Water and Polarity ji ji


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


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




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


a. it is polar ji ji



b. it forms hydrogen bonds
ji ji ji


c. it is a bent molecule
ji ji ji ji


d. all of these are true ji ji ji ji



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


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


TOPICS: Water and Polarity ji ji


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



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




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


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




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




Chapter 02 - Water: The Solvent for Biochemical Reactions
ji ji ji ji ji ji ji ji




b. They always dissolve completely in water.
ji ji ji ji ji


c. They never dissolve in polar solvents.
ji ji ji ji ji


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



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


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



TOPICS: Water and Polarity ji ji


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


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




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


a. C, H, O, N ji ji ji


b. N, H, O, C ji ji ji


c. H, C, N, O ji ji ji


d. H, C, O, N ji ji ji



ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice ji j i ji


HAS VARIABLES: False
ji j i


TOPICS:
Water and Polarity D ji ji ji


ATE CREATED:
ji


12/23/20132:14PM ji ji ji


DATE MODIFIED: 12/23/2013 2:14 PM
ji jiji ji ji




6. Which of the following elements has the highest electronegativity?
ji ji ji ji ji ji ji ji


a. C ji


b. H ji


c. N ji


d. O ji


e. P ji



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


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


TOPICS: Water and Polarity ji ji


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


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




7. The water molecule is polar because:
ji ji ji ji ji


a. Electrons are not distributed symmetrically in the molecule.
ji ji ji ji ji ji ji




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, b. The hydrogen atoms are found on one "side" of the molecule.
ji ji ji ji ji ji ji ji ji ji



c. Hydrogen is less electronegative than oxygen.
ji ji ji ji ji




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