Chap 01 - Cox
Indicate the answer choice that best completes the statement or answers the question.
1. Which statement is true for the reaction A + B → C + D if its Keq for the reaction is 104?
a. When the reaction has reached equilibrium, there will be significantly more A and B than C and D in the
solution.
b. The formation of A and B will proceed at a high rate.
c. The value of ΔG'° will be large and positive.
d. All of the statements are true.
e. None of the statements are true.
ANSWER: e
2. Which does NOT contain a double membrane?
a. mitochondrion
b. ribosome
c. chloroplast
d. endoplasmic reticulum
e. Golgi body
ANSWER: b
3. Which data bank curates protein and other macromolecular structures derived from x-ray crystallography,
NMR, and cryo-electron microscopy?
a. Google Scholar
b. PubMed Central
c. National Center for Biotechnology Information
d. Web of Science
e. Worldwide Protein Data Bank
ANSWER: e
4. Which statement is NOT true regarding the plasma membrane?
a. It is a physical barrier separating the inside of the cell from its surroundings.
b. It is flexible, with a hydrophobic internal structure.
c. The individual lipids and proteins of the plasma membrane are covalently linked.
d. The plasma membrane incorporates newly made lipid and protein components as a cell grows.
e. Cell division occurs without loss of the membrane integrity.
ANSWER: c
Page 1
,Name: Class: Date:
Chap 01 - Cox
5. Scientific endeavors can be understood by applying a systematic process of inquiry called:
a. an assumption of objectivity.
b. a hypothesis.
c. a postulate of objectivity.
d. the scientific method.
e. a scientific theory.
ANSWER: d
6. Which approach is considered the classic scientific method?
a. Exploration and observation
b. Hypothesis → experiment → answer
c. Inspiration
d. Model-building and deduction
e. Serendipity
ANSWER: b
7. Which is not a literature search engine?
a. Google Scholar
b. PubMed Central
c. National Center for Biotechnology Information
d. Web of Science
e. None of the above
ANSWER: c
8. What functional groups are present on this molecule?
a. ether and aldehyde
b. hydroxyl and aldehyde
c. hydroxyl and carboxylic acid
d. hydroxyl and ester
e. hydroxyl and ketone
ANSWER: b
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,Name: Class: Date:
Chap 01 - Cox
9. Enzymes are biological catalysts that enhance the rate of a reaction by:
a. decreasing the activation energy.
b. decreasing the amount of free energy released.
c. increasing the activation energy.
d. increasing the amount of free energy released.
e. increasing the energy of the transition state.
ANSWER: a
10. Which data bank is a powerful subscription-based service accessible at academic and many commercial
libraries by students, faculty, and employees?
a. Google Scholar
b. PubMed Central
c. National Center for Biotechnology Information
d. Web of Science
e. Worldwide Protein Data Bank
ANSWER: d
11. Humans maintain a nearly constant level of hemoglobin by continually synthesizing and degrading it. This is an
example of a(n):
a. dynamic steady state.
b. equilibrium state.
c. exergonic change.
d. free-energy change.
e. waste of energy.
ANSWER: a
12. What are the minimal components of a virus?
a. DNA and a lipid membrane
b. genome (DNA or RNA), a lipid membrane, and a viral coat
c. genome (DNA or RNA) and a viral coat
d. protein genome and a lipid membrane
ANSWER: c
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, Name: Class: Date:
Chap 01 - Cox
13. In eukaryotes, the nucleus is enclosed by a double membrane called the:
a. cell membrane.
b. nuclear membrane.
c. nucleolus.
d. nucleoplasm.
e. nucleosome.
ANSWER: b
14. Which list ranks the organisms in order of increasing number of genes?
a. S. cerevisiae, humans, nematodes
b. S. cerevisiae, nematodes, humans
c. nematodes, humans, S. cerevisiae
d. nematodes, S. cerevisiae, humans
e. humans, S. cerevisiae, nematodes
ANSWER: b
15. Functional DNA is NOT found in:
a. bacterial nucleoids.
b. chloroplasts.
c. lysosomes.
d. mitochondria.
e. nuclei.
ANSWER: c
16. Hereditary information (with the exception of some viruses) is preserved in:
a. deoxyribonucleic acid.
b. membrane structures.
c. nuclei.
d. polysaccharides.
e. ribonucleic acid.
ANSWER: a
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Indicate the answer choice that best completes the statement or answers the question.
1. Which statement is true for the reaction A + B → C + D if its Keq for the reaction is 104?
a. When the reaction has reached equilibrium, there will be significantly more A and B than C and D in the
solution.
b. The formation of A and B will proceed at a high rate.
c. The value of ΔG'° will be large and positive.
d. All of the statements are true.
e. None of the statements are true.
ANSWER: e
2. Which does NOT contain a double membrane?
a. mitochondrion
b. ribosome
c. chloroplast
d. endoplasmic reticulum
e. Golgi body
ANSWER: b
3. Which data bank curates protein and other macromolecular structures derived from x-ray crystallography,
NMR, and cryo-electron microscopy?
a. Google Scholar
b. PubMed Central
c. National Center for Biotechnology Information
d. Web of Science
e. Worldwide Protein Data Bank
ANSWER: e
4. Which statement is NOT true regarding the plasma membrane?
a. It is a physical barrier separating the inside of the cell from its surroundings.
b. It is flexible, with a hydrophobic internal structure.
c. The individual lipids and proteins of the plasma membrane are covalently linked.
d. The plasma membrane incorporates newly made lipid and protein components as a cell grows.
e. Cell division occurs without loss of the membrane integrity.
ANSWER: c
Page 1
,Name: Class: Date:
Chap 01 - Cox
5. Scientific endeavors can be understood by applying a systematic process of inquiry called:
a. an assumption of objectivity.
b. a hypothesis.
c. a postulate of objectivity.
d. the scientific method.
e. a scientific theory.
ANSWER: d
6. Which approach is considered the classic scientific method?
a. Exploration and observation
b. Hypothesis → experiment → answer
c. Inspiration
d. Model-building and deduction
e. Serendipity
ANSWER: b
7. Which is not a literature search engine?
a. Google Scholar
b. PubMed Central
c. National Center for Biotechnology Information
d. Web of Science
e. None of the above
ANSWER: c
8. What functional groups are present on this molecule?
a. ether and aldehyde
b. hydroxyl and aldehyde
c. hydroxyl and carboxylic acid
d. hydroxyl and ester
e. hydroxyl and ketone
ANSWER: b
Page 2
,Name: Class: Date:
Chap 01 - Cox
9. Enzymes are biological catalysts that enhance the rate of a reaction by:
a. decreasing the activation energy.
b. decreasing the amount of free energy released.
c. increasing the activation energy.
d. increasing the amount of free energy released.
e. increasing the energy of the transition state.
ANSWER: a
10. Which data bank is a powerful subscription-based service accessible at academic and many commercial
libraries by students, faculty, and employees?
a. Google Scholar
b. PubMed Central
c. National Center for Biotechnology Information
d. Web of Science
e. Worldwide Protein Data Bank
ANSWER: d
11. Humans maintain a nearly constant level of hemoglobin by continually synthesizing and degrading it. This is an
example of a(n):
a. dynamic steady state.
b. equilibrium state.
c. exergonic change.
d. free-energy change.
e. waste of energy.
ANSWER: a
12. What are the minimal components of a virus?
a. DNA and a lipid membrane
b. genome (DNA or RNA), a lipid membrane, and a viral coat
c. genome (DNA or RNA) and a viral coat
d. protein genome and a lipid membrane
ANSWER: c
Page 3
, Name: Class: Date:
Chap 01 - Cox
13. In eukaryotes, the nucleus is enclosed by a double membrane called the:
a. cell membrane.
b. nuclear membrane.
c. nucleolus.
d. nucleoplasm.
e. nucleosome.
ANSWER: b
14. Which list ranks the organisms in order of increasing number of genes?
a. S. cerevisiae, humans, nematodes
b. S. cerevisiae, nematodes, humans
c. nematodes, humans, S. cerevisiae
d. nematodes, S. cerevisiae, humans
e. humans, S. cerevisiae, nematodes
ANSWER: b
15. Functional DNA is NOT found in:
a. bacterial nucleoids.
b. chloroplasts.
c. lysosomes.
d. mitochondria.
e. nuclei.
ANSWER: c
16. Hereditary information (with the exception of some viruses) is preserved in:
a. deoxyribonucleic acid.
b. membrane structures.
c. nuclei.
d. polysaccharides.
e. ribonucleic acid.
ANSWER: a
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