@ProfdocDigitalLibraries <Best Online Study Materials>
TEST BANK
Biochemistry
Jeremy M. Berg, Lubert Stryer, John Tymoczko & Gregory Gatto
9th Edition
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Table of Contents
Part I — The Molecular Design of Life
1. Biochemistry: An Evolving Science
2. Protein Composition and Structure
3. Exploring Proteins and Proteomes
4. DNA, RNA, and the Flow of Genetic Information
5. Exploring Genes and Genomes
6. Exploring Evolution and Bioinformatics
7. Hemoglobin: Portrait of a Protein in Action
8. Enzymes: Basic Concepts and Kinetics
9. Catalytic Strategies
10. Regulatory Strategies
11. Carbohydrates
12. Lipids and Cell Membranes
13. Membrane Channels and Pumps
14. Signal-Transduction Pathways
Part II — Transducing and Storing Energy
15. Metabolism: Basic Concepts and Design
16. Glycolysis and Gluconeogenesis
17. The Citric Acid Cycle
18. Oxidative Phosphorylation
19. The Light Reactions of Photosynthesis
20. The Calvin Cycle and the Pentose Phosphate Pathway
21. Glycogen Metabolism
22. Fatty Acid Metabolism
23. Protein Turnover and Amino Acid Catabolism
Part III — Synthesizing the Molecules of Life
24. The Biosynthesis of Amino Acids
25. Nucleotide Biosynthesis
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26. The Biosynthesis of Membrane Lipids and Steroids
27. The Integration of Metabolism
28. Drug Development
29. DNA Replication, Repair, and Recombination
30. RNA Synthesis and Processing
31. Protein Synthesis
32. The Control of Gene Expression in Prokaryotes
33. The Control of Gene Expression in Eukaryotes
Part IV — Responding to Environmental Changes
34. Sensory Systems
35. The Immune System
36. Molecular Motors
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ch 1 – 5
(ANSWERS AT THE END OF EVERY CHAPTER)
Indicate the answer choice that best completes the statement or answers the question.
1. Which statement about DNA structure is INCORRECT?
a. It is a branched polymer with a flexible backbone.
b. The DNA backbone is built of repeating sugar–phosphate units.
c. Each DNA strand has directionality due to identical orientation of the sugar–phosphate units.
d. Each sugar is connected to two phosphate groups through different linkages.
e. Its structure is a double helix composed of two intertwined strands.
2. What method can be used to separate proteins only by their charge?
a. gel-filtration chromatography
b. affinity chromatography
c. gel electrophoresis
d. ion-exchange chromatography
e. dialysis
3. pUC plasmids are useful for screening cells that contain recombinant DNA because they contain the
gene.
a. β-galactosidase
b. tetracycline resistance
c. green fluorescent protein
d. luciferase
e. DNA polymerase
4. Why are free interactions of water molecules in bulk water more favorable than more ordered interactions
with nonpolar compounds?
a. The total entropy in such interactions increases because the Gibbs free energy is positive.
b. The total entropy in such interactions decreases because the Gibbs free energy is negative.
c. The enthalpy of the ordered state is lower than the enthalpy of the bulk state.
d. The total entropy in such interactions increases because the Gibbs free energy is negative.
e. The total entropy in such interactions decreases because the Gibbs free energy is positive.
5. The lacZα gene encodes the fragment of the:
a. α-galactosidase.
b. carbohydrase.
c. β-galactosidase.
d. α-amylase.
e. β-amylase.
TEST BANK
Biochemistry
Jeremy M. Berg, Lubert Stryer, John Tymoczko & Gregory Gatto
9th Edition
,@ProfdocDigitalLibraries <Best Online Study Materials>
Table of Contents
Part I — The Molecular Design of Life
1. Biochemistry: An Evolving Science
2. Protein Composition and Structure
3. Exploring Proteins and Proteomes
4. DNA, RNA, and the Flow of Genetic Information
5. Exploring Genes and Genomes
6. Exploring Evolution and Bioinformatics
7. Hemoglobin: Portrait of a Protein in Action
8. Enzymes: Basic Concepts and Kinetics
9. Catalytic Strategies
10. Regulatory Strategies
11. Carbohydrates
12. Lipids and Cell Membranes
13. Membrane Channels and Pumps
14. Signal-Transduction Pathways
Part II — Transducing and Storing Energy
15. Metabolism: Basic Concepts and Design
16. Glycolysis and Gluconeogenesis
17. The Citric Acid Cycle
18. Oxidative Phosphorylation
19. The Light Reactions of Photosynthesis
20. The Calvin Cycle and the Pentose Phosphate Pathway
21. Glycogen Metabolism
22. Fatty Acid Metabolism
23. Protein Turnover and Amino Acid Catabolism
Part III — Synthesizing the Molecules of Life
24. The Biosynthesis of Amino Acids
25. Nucleotide Biosynthesis
,@ProfdocDigitalLibraries <Best Online Study Materials>
26. The Biosynthesis of Membrane Lipids and Steroids
27. The Integration of Metabolism
28. Drug Development
29. DNA Replication, Repair, and Recombination
30. RNA Synthesis and Processing
31. Protein Synthesis
32. The Control of Gene Expression in Prokaryotes
33. The Control of Gene Expression in Eukaryotes
Part IV — Responding to Environmental Changes
34. Sensory Systems
35. The Immune System
36. Molecular Motors
, @ProfdocDigitalLibraries <Best Online Study Materials>
ch 1 – 5
(ANSWERS AT THE END OF EVERY CHAPTER)
Indicate the answer choice that best completes the statement or answers the question.
1. Which statement about DNA structure is INCORRECT?
a. It is a branched polymer with a flexible backbone.
b. The DNA backbone is built of repeating sugar–phosphate units.
c. Each DNA strand has directionality due to identical orientation of the sugar–phosphate units.
d. Each sugar is connected to two phosphate groups through different linkages.
e. Its structure is a double helix composed of two intertwined strands.
2. What method can be used to separate proteins only by their charge?
a. gel-filtration chromatography
b. affinity chromatography
c. gel electrophoresis
d. ion-exchange chromatography
e. dialysis
3. pUC plasmids are useful for screening cells that contain recombinant DNA because they contain the
gene.
a. β-galactosidase
b. tetracycline resistance
c. green fluorescent protein
d. luciferase
e. DNA polymerase
4. Why are free interactions of water molecules in bulk water more favorable than more ordered interactions
with nonpolar compounds?
a. The total entropy in such interactions increases because the Gibbs free energy is positive.
b. The total entropy in such interactions decreases because the Gibbs free energy is negative.
c. The enthalpy of the ordered state is lower than the enthalpy of the bulk state.
d. The total entropy in such interactions increases because the Gibbs free energy is negative.
e. The total entropy in such interactions decreases because the Gibbs free energy is positive.
5. The lacZα gene encodes the fragment of the:
a. α-galactosidase.
b. carbohydrase.
c. β-galactosidase.
d. α-amylase.
e. β-amylase.
