Edrftgyihu jiuh
Biochemistry
ST
9th Edition
UV
TEST BANK
IA
_A
Jeremy M. Berg
John L. Tymoczko
PP
Gregory J. Gatto Jr.
Lubert Stryer
────────────────────────────────────────────────────
RO
Comprehensive Test Bank for Instructors
and Students
VE
||| ||| || ||| || | || ||| | || ||| |
9781319114671
D?
© Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr., & Lubert
Stryer. All rights reserved. Reproduction or distribution without
permission is prohibited.
© MEDGEEK
, Edrftgyihu jiuh
Biochemistry — Test Bank — Biochemistry, 9th Edition
Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr. and Lubert Stryer
ISBN: 9781319114671
ST
Chapter 01: Biochemistry: An Evolving Science
Chapter 02: Protein Composition and Structure
Chapter 03: Exploring Proteins and Proteomes
UV
Chapter 04: DNA, RNA, and the Flow of Genetic Information
Chapter 05: Exploring Genes and Genomes
Chapter 06: Exploring Evolution and Bioinformatics
Chapter 07: Hemoglobin: Portrait of a Protein in Action
Chapter 08: Enzymes: Basic Concepts and Kinetics
IA
Chapter 09: Catalytic Strategies
Chapter 10: Regulatory Strategies
Chapter 11: Carbohydrates
Chapter 12: Lipids and Cell Membranes
_A
Chapter 13: Membrane Channels and Pumps
Chapter 14: Signal-Transduction Pathways
Chapter 15: Metabolism: Basic Concepts and Design
Chapter 16: Glycolysis and Gluconeogenesis
PP
Chapter 17: The Citric Acid Cycle
Chapter 18: Oxidative Phosphorylation
Chapter 19: The Light Reactions of Photosynthesis
Chapter 20: The Calvin Cycle and the Pentose Phosphate Pathway
RO
Chapter 21: Glycogen Metabolism
Chapter 22: Fatty Acid Metabolism
Chapter 23: Protein Turnover and Amino Acid Catabolism
Chapter 24: The Biosynthesis of Amino Acids
Chapter 25: Nucleotide Biosynthesis
VE
Chapter 26: The Biosynthesis of Membrane Lipids and Steroids
Chapter 27: The Integration of Metabolism
Chapter 28: Drug Development
Chapter 29: DNA Replication, Repair, and Recombination
Chapter 30: RNA Synthesis and Processing
D?
Chapter 31: Protein Synthesis
Chapter 32: The Control of Gene Expression in Prokaryotes
Chapter 33: The Control of Gene Expression in Eukaryotes
Chapter 34: Sensory Systems
Chapter 35: The Immune System
Chapter 36: Molecular Motors
© MEDGEEK
, Test Bank for Biochemistry, 9e Lubert Stryer, Jeremy Berg,
John Tymoczko, Gregory Gatto (All Chapters)
ch 1 - 5
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.
ST
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?
UV
a. gel-filtration chromatography
b. affinity chromatography
c. gel electrophoresis
d. ion-exchange chromatography
IA
e. dialysis
3. pUC plasmids are useful for screening cells that contain recombinant DNA because they contain the _____
gene.
a. β-galactosidase
_A
b. tetracycline resistance
c. green fluorescent protein
d. luciferase
e. DNA polymerase
PP
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.
RO
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.
VE
5. The lacZα gene encodes the fragment of the:
a. α-galactosidase.
b. carbohydrase.
c. β-galactosidase.
d. α-amylase.
D?
e. β-amylase.
6. What isomers of amino acids are found in proteins and what absolute configuration do they have?
, Test Bank for Biochemistry, 9e Lubert Stryer, Jeremy Berg,
John Tymoczko, Gregory Gatto (All Chapters)
ch 1 - 5
a. L isomer; R absolute configuration
b. D and L isomers; R absolute configuration
c. L isomer; S absolute configuration
d. D isomer; S absolute configuration
e. L and D isomers; S absolute configuration
ST
7. What process generates different mRNA that are templates for different forms of a protein without requiring
a gene for each protein?
a. transcription
UV
b. exon shuffling
c. degenerate splicing
d. alternative splicing
e. recombination
IA
8. What technique can be used to determine the mass-to-charge ratio of a molecule?
a. Edman degradation
b. affinity chromatography
c. diagonal electrophoresis
_A
d. MALDI-TOF
e. SDS-PAGE
9. Each three-base codon encodes a specific:
PP
a. DNA nucleotide.
b. mRNA nucleotide.
c. tRNA nucleotide.
d. rRNA nucleotide.
RO
e. amino acid.
10. What DNA sequence contains a palindromic inverted repeat such as those recognized by restriction
enzymes? (Note: Only one strand is shown.)
a. CAGTCC
b. GCATCC
VE
c. CGATTAGC
d. GAGAGAGA
e. GCATATGC
D?
11. A protein with a molecular weight of 75 550 g mol–1 has a mass of:
a. 75,550 Da or 755.5 kDa.
b. 7555 Da or 75.55 kDa.
Biochemistry
ST
9th Edition
UV
TEST BANK
IA
_A
Jeremy M. Berg
John L. Tymoczko
PP
Gregory J. Gatto Jr.
Lubert Stryer
────────────────────────────────────────────────────
RO
Comprehensive Test Bank for Instructors
and Students
VE
||| ||| || ||| || | || ||| | || ||| |
9781319114671
D?
© Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr., & Lubert
Stryer. All rights reserved. Reproduction or distribution without
permission is prohibited.
© MEDGEEK
, Edrftgyihu jiuh
Biochemistry — Test Bank — Biochemistry, 9th Edition
Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr. and Lubert Stryer
ISBN: 9781319114671
ST
Chapter 01: Biochemistry: An Evolving Science
Chapter 02: Protein Composition and Structure
Chapter 03: Exploring Proteins and Proteomes
UV
Chapter 04: DNA, RNA, and the Flow of Genetic Information
Chapter 05: Exploring Genes and Genomes
Chapter 06: Exploring Evolution and Bioinformatics
Chapter 07: Hemoglobin: Portrait of a Protein in Action
Chapter 08: Enzymes: Basic Concepts and Kinetics
IA
Chapter 09: Catalytic Strategies
Chapter 10: Regulatory Strategies
Chapter 11: Carbohydrates
Chapter 12: Lipids and Cell Membranes
_A
Chapter 13: Membrane Channels and Pumps
Chapter 14: Signal-Transduction Pathways
Chapter 15: Metabolism: Basic Concepts and Design
Chapter 16: Glycolysis and Gluconeogenesis
PP
Chapter 17: The Citric Acid Cycle
Chapter 18: Oxidative Phosphorylation
Chapter 19: The Light Reactions of Photosynthesis
Chapter 20: The Calvin Cycle and the Pentose Phosphate Pathway
RO
Chapter 21: Glycogen Metabolism
Chapter 22: Fatty Acid Metabolism
Chapter 23: Protein Turnover and Amino Acid Catabolism
Chapter 24: The Biosynthesis of Amino Acids
Chapter 25: Nucleotide Biosynthesis
VE
Chapter 26: The Biosynthesis of Membrane Lipids and Steroids
Chapter 27: The Integration of Metabolism
Chapter 28: Drug Development
Chapter 29: DNA Replication, Repair, and Recombination
Chapter 30: RNA Synthesis and Processing
D?
Chapter 31: Protein Synthesis
Chapter 32: The Control of Gene Expression in Prokaryotes
Chapter 33: The Control of Gene Expression in Eukaryotes
Chapter 34: Sensory Systems
Chapter 35: The Immune System
Chapter 36: Molecular Motors
© MEDGEEK
, Test Bank for Biochemistry, 9e Lubert Stryer, Jeremy Berg,
John Tymoczko, Gregory Gatto (All Chapters)
ch 1 - 5
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.
ST
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?
UV
a. gel-filtration chromatography
b. affinity chromatography
c. gel electrophoresis
d. ion-exchange chromatography
IA
e. dialysis
3. pUC plasmids are useful for screening cells that contain recombinant DNA because they contain the _____
gene.
a. β-galactosidase
_A
b. tetracycline resistance
c. green fluorescent protein
d. luciferase
e. DNA polymerase
PP
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.
RO
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.
VE
5. The lacZα gene encodes the fragment of the:
a. α-galactosidase.
b. carbohydrase.
c. β-galactosidase.
d. α-amylase.
D?
e. β-amylase.
6. What isomers of amino acids are found in proteins and what absolute configuration do they have?
, Test Bank for Biochemistry, 9e Lubert Stryer, Jeremy Berg,
John Tymoczko, Gregory Gatto (All Chapters)
ch 1 - 5
a. L isomer; R absolute configuration
b. D and L isomers; R absolute configuration
c. L isomer; S absolute configuration
d. D isomer; S absolute configuration
e. L and D isomers; S absolute configuration
ST
7. What process generates different mRNA that are templates for different forms of a protein without requiring
a gene for each protein?
a. transcription
UV
b. exon shuffling
c. degenerate splicing
d. alternative splicing
e. recombination
IA
8. What technique can be used to determine the mass-to-charge ratio of a molecule?
a. Edman degradation
b. affinity chromatography
c. diagonal electrophoresis
_A
d. MALDI-TOF
e. SDS-PAGE
9. Each three-base codon encodes a specific:
PP
a. DNA nucleotide.
b. mRNA nucleotide.
c. tRNA nucleotide.
d. rRNA nucleotide.
RO
e. amino acid.
10. What DNA sequence contains a palindromic inverted repeat such as those recognized by restriction
enzymes? (Note: Only one strand is shown.)
a. CAGTCC
b. GCATCC
VE
c. CGATTAGC
d. GAGAGAGA
e. GCATATGC
D?
11. A protein with a molecular weight of 75 550 g mol–1 has a mass of:
a. 75,550 Da or 755.5 kDa.
b. 7555 Da or 75.55 kDa.
