Biochemistry 9th Edition TEST BANK Campbell Farrell McDougal
7 views 0 purchase
Course
BIOC 3621 (BIOC3621)
Institution
University Of North Texas
Biochemistry 9th Edition TEST BANK Campbell Farrell McDougal
1. The tendency for an atom to attract electrons to itself in a chemical bond is called
a. polarity.
b. electronegativity.
c. hydrophilicity
d. electrophilicity.
2. If atoms with greatly differi...
biochemistry 9th edition test bank campbell farrel
the tendency for an atom to attract electrons to i
Written for
University Of North Texas
BIOC 3621 (BIOC3621)
All documents for this subject (1)
Seller
Follow
docguru
Reviews received
Content preview
Chapter 02 - Water: The Solvent for Biochemical Reactions
Biochemistry 9th Edition TEST BANK Campbell Farrell McDougal
1. The tendency for an atom to attract electrons to itself in a chemical bond is called
a. polarity.
b. electronegativity.
c. hydrophilicity
d. electrophilicity.
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in
6e
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14 PM
DATE MODIFIED: 12/23/2013 2:14 PM
2. If atoms with greatly differing electronegativities form a bond, that bond will be
a. polar.
b. nonpolar.
c. amphipathic.
d. acidic.
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: CAFA.BIOC.15.1 - New in
6e
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14 PM
DATE MODIFIED: 12/23/2013 2:14 PM
3. Many of the properties of water can be accounted for by the fact that
a. it is polar
b. it forms hydrogen bonds
c. it is a bent molecule
d. all of these are true
,Chapter 02 - Water: The Solvent for Biochemical Reactions
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: CAFA.BIOC.15.6 - Modified in
7e
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14 PM
DATE MODIFIED: 12/23/2013 2:14 PM
4. Which of the following is true about ionic compounds?
a. They are more likely to dissolve in non-polar solvents than covalent compounds.
b. They always dissolve completely in water.
c. They never dissolve in polar solvents.
d. Some of them dissolve completely in water or other polar solvents, while others do not.
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: CAFA.BIOC.15.4 - New in 7e
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14 PM
DATE MODIFIED: 12/23/2013 2:14 PM
5. Which of the following is a correct listing of electronegativity values, from low to high?
a. C, H, O, N
b. N, H, O, C
c. H, C, N, O
d. H, C, O, N
ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14
PM
DATE MODIFIED: 12/23/2013 2:14
PM
6. Which of the following elements has the highest electronegativity?
a. C
b. H
c. N
d. O
e. P
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
,Chapter 02 - Water: The Solvent for Biochemical Reactions
HAS VARIABLES: False
LEARNING OBJECTIVES: CAFA.BIOC.15.5 - Modified from
5e
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14 PM
DATE MODIFIED: 12/23/2013 2:14 PM
7. The water molecule is polar because:
a. Electrons are not distributed symmetrically in the molecule.
b. The hydrogen atoms are found on one "side" of the molecule.
c. Hydrogen is less electronegative than oxygen.
d. The hydrogen atoms are found on one "side" of the molecule and hydrogen is less electronegative than
oxygen.
e. All of these are correct.
ANSWER: e
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14 PM
DATE MODIFIED: 12/23/2013 2:14 PM
8. Which of the following molecules is polar?
a. CCl4
b. CH4
c. CO2
d. NH3
e. None of these molecules is polar.
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: CAFA.BIOC.15.5 - Modified from
5e
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14 PM
DATE MODIFIED: 12/23/2013 2:14 PM
9. Which of the following molecules is amphipathic?
a. sodium chloride
b. acetic acid
c. benzene
d. palmitic acid
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
, Chapter 02 - Water: The Solvent for Biochemical Reactions
LEARNING OBJECTIVES: CAFA.BIOC.15.5 - Modified from
5e
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14 PM
DATE MODIFIED: 12/23/2013 2:14 PM
10. Which of the following classes of compounds is hydrophilic?
a. Sugars
b. Fatty acids
c. Amino acids
d. Sugars and amino acids.
e. All of these
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14
PM
DATE MODIFIED: 12/23/2013 2:14
PM
11. Which of the following classes of compounds is hydrophobic?
a. Table Salt
b. Cholesterol
c. Phosphate esters
d. Cholesterol and phosphate esters.
e. All of these are hydrophobic.
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
TOPICS: Water and Polarity
DATE CREATED: 12/23/2013 2:14
PM
DATE MODIFIED: 12/23/2013 2:14
PM
12. Which of the following molecules has polar bonds but is itself not polar?
a. NH3
b. CO2
c. CH4
d. H2O
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller docguru. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
