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

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




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




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


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



HAS VARIABLES:
bm False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
bm b m bm bm bm bm


TOPICS: Water and Polarity bm bm


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


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




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


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


HAS VARIABLES:
bm False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in 6e
bm b m bm bm bm bm


TOPICS: Water and Polarity bm bm


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


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




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


a. it is polar
bm bm



b. it forms hydrogen bonds
bm bm bm


c. it is a bent molecule
bm bm bm bm


d. all of these are true
bm bm bm bm



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


HAS VARIABLES:
bm False
LEARNING OBJECTIVES: CAFA.BIOC.15.6 - Modified in 7e
bm b m bm bm bm bm


TOPICS: Water and Polarity bm bm


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



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




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


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




Copyright bmCengage bmLearning. bmPowered bmby Page bm1
Cognero.
mynursytest.store

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




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




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


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


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



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


HAS VARIABLES:
bm False
LEARNING OBJECTIVES: CAFA.BIOC.15.4 - New in 7e
bm b m bm bm bm bm



TOPICS: Water and Polarity bm bm


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


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




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


a. C, H, O, N bm bm bm


b. N, H, O, C bm bm bm


c. H, C, N, O bm bm bm


d. H, C, O, N bm bm bm



ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice bm b m bm


HAS VARIABLES:
bm False b m


TOPICS: Water and Polarity bm bm


DATE CREATED: 12/23/2013 2:14
bm bm bm


PM DATE MODIFIED:
bm bm 12/23/2013
bm bm bm


2:14 PM
bm bm




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


a. C bm


b. H bm


c. N bm


d. O bm


e. P bm



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


HAS VARIABLES:
bm False
LEARNING OBJECTIVES: CAFA.BIOC.15.5 - Modified from 5e
bm b m bm bm bm bm


TOPICS: Water and Polarity bm bm


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


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




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


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


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




Copyright bmCengage bmLearning. bmPowered bmby Page bm2
Cognero.
mynursytest.store

, c. Hydrogen is less electronegative than oxygen.
bm bm bm bm bm




Copyright bmCengage bmLearning. bmPowered bmby Page bm3
Cognero.
mynursytest.store