TEST BANK
PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
Laurence Moran, Robert Horton, Gray Scrimgeour & Marc Perry
,Principles of Biochemistry, 5th Edition Test Bank By: Moran, Horton, Scrimgeour, Perry
Contents:
Chapter 1 Introduction to Biochemistry 1
Chapter 2 Water 10
Chapter 3 Amino Acids and the Primary Structures of Proteins 27
Chapter 4 Proteins: Three-Dimensional Structure and Function 46
Chapter 5 Properties of Enzymes 65
Chapter 6 Mechanisms of Enzymes 85
Chapter 7 Coenzymes and Vitamins 104
Chapter 8 Carbohydrates 119
Chapter 9 Lipids and Membranes 137
Chapter 10 Introduction to Metabolism 153
Chapter 11 Glycolysis 169
Chapter 12 Gluconeogenesis, The Pentose Phosphate Pathway,
and Glycogen Metabolism 185
Chapter 13 The Citric Acid Cycle 199
Chapter 14 Electron Transport and Oxidative Phosphorylation 213
Chapter 15 Photosynthesis 227
Chapter 16 Lipid Metabolism 241
Chapter 17 Amino Acid Metabolism 256
Chapter 18 Nucleotide Metabolism 269
Chapter 19 Nucleic Acids 284
Chapter 20 DNA Replication, Repair, and Recombination 300
Chapter 21 Transcription and RNA Processing 315
Chapter 22 Protein Synthesis 330
Chapter 23 Recombinant DNA Technology 348
,Chapter 1 Introduction to Biochemistry
1) Which elements account for more than 97% of the weight of most organisms?
A) C, H, N, Mg, O, S
B) C, H, N, O, P, S
C) C, H, N
D) Fe, C, H, O, P
E) Ca2+, K+, Na+, Mg2+, Cl-
Answer: B
Page Ref: Section 2
2) Proteins in biological membranes may be
A) porous.
B) attached to the membrane surface.
C) span the membrane.
D) All of the above
E) B and C only
Answer: D
Page Ref: Section 3
3) Which statement about cellulose is false?
A) It is the most abundant polysaccharide in nature.
B) Its monomers are joined by glycosidic bonds.
C) It is present in the stems of flowering plants.
D) The hydroxyl groups of neighboring cellulose molecules interact to form strong, insoluble
fibers.
E) It is a branched polymer of glucose.
Answer: E
Page Ref: Section 3
1
, 4) When dKeq dof da d reaction d= d1, dthen
A) the dforward dreaction dis dfaster d than d the dreverse d reaction.
B) the dreverse d reaction dis dfaster d than d the dforward dreaction.
C) the dforward dand dreverse d reaction drate dconstants dare d equal.
D) more d products dare d formed dthan d reactants.
E) fewer d products dare d formed dthan d reactants.
Answer: d C
Page d Ref: d Section d 4
5) Which dstatement dis dtrue dabout d a d reaction dwith dan dequilibrium dconstant, d Keq, dequal d to
d1000?
A) The d forward drate dconstant d is d1000 dtimes dgreater d than d the dreverse d rate dconstant.
B) The dforward drate dconstant d is d3 d times dgreater d than dreverse d rate dconstant.
C) The d forward drate dconstant d is d1000 dtimes dsmaller dthan dthe dreverse d rate dconstant.
D) The d forward drate dconstant d is d3 d times dsmaller dthan d the dreverse d rate dconstant.
E) There dis dnot d enough d information d given dto dcompare dthe dforward dand dreverse d rate
dconstants.
Answer: d A
Page d Ref: d Section d 4
6) The d study d of dthe denergy d changes d during d metabolic dreactions d is dcalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological dheat d dynamics
Answer: d D
Page d Ref: d Section d 4
7) A dspontaneous d chemical d reaction dalways d has d a change.
A) positive d Gibbʹs dfree d energy
B) negative dGibbʹs dfree d energy
C) positive denthalpy
D) negative denthalpy
E) positive dentropy
Answer: d B
Page d Ref: d Section d 4
2
PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
Laurence Moran, Robert Horton, Gray Scrimgeour & Marc Perry
,Principles of Biochemistry, 5th Edition Test Bank By: Moran, Horton, Scrimgeour, Perry
Contents:
Chapter 1 Introduction to Biochemistry 1
Chapter 2 Water 10
Chapter 3 Amino Acids and the Primary Structures of Proteins 27
Chapter 4 Proteins: Three-Dimensional Structure and Function 46
Chapter 5 Properties of Enzymes 65
Chapter 6 Mechanisms of Enzymes 85
Chapter 7 Coenzymes and Vitamins 104
Chapter 8 Carbohydrates 119
Chapter 9 Lipids and Membranes 137
Chapter 10 Introduction to Metabolism 153
Chapter 11 Glycolysis 169
Chapter 12 Gluconeogenesis, The Pentose Phosphate Pathway,
and Glycogen Metabolism 185
Chapter 13 The Citric Acid Cycle 199
Chapter 14 Electron Transport and Oxidative Phosphorylation 213
Chapter 15 Photosynthesis 227
Chapter 16 Lipid Metabolism 241
Chapter 17 Amino Acid Metabolism 256
Chapter 18 Nucleotide Metabolism 269
Chapter 19 Nucleic Acids 284
Chapter 20 DNA Replication, Repair, and Recombination 300
Chapter 21 Transcription and RNA Processing 315
Chapter 22 Protein Synthesis 330
Chapter 23 Recombinant DNA Technology 348
,Chapter 1 Introduction to Biochemistry
1) Which elements account for more than 97% of the weight of most organisms?
A) C, H, N, Mg, O, S
B) C, H, N, O, P, S
C) C, H, N
D) Fe, C, H, O, P
E) Ca2+, K+, Na+, Mg2+, Cl-
Answer: B
Page Ref: Section 2
2) Proteins in biological membranes may be
A) porous.
B) attached to the membrane surface.
C) span the membrane.
D) All of the above
E) B and C only
Answer: D
Page Ref: Section 3
3) Which statement about cellulose is false?
A) It is the most abundant polysaccharide in nature.
B) Its monomers are joined by glycosidic bonds.
C) It is present in the stems of flowering plants.
D) The hydroxyl groups of neighboring cellulose molecules interact to form strong, insoluble
fibers.
E) It is a branched polymer of glucose.
Answer: E
Page Ref: Section 3
1
, 4) When dKeq dof da d reaction d= d1, dthen
A) the dforward dreaction dis dfaster d than d the dreverse d reaction.
B) the dreverse d reaction dis dfaster d than d the dforward dreaction.
C) the dforward dand dreverse d reaction drate dconstants dare d equal.
D) more d products dare d formed dthan d reactants.
E) fewer d products dare d formed dthan d reactants.
Answer: d C
Page d Ref: d Section d 4
5) Which dstatement dis dtrue dabout d a d reaction dwith dan dequilibrium dconstant, d Keq, dequal d to
d1000?
A) The d forward drate dconstant d is d1000 dtimes dgreater d than d the dreverse d rate dconstant.
B) The dforward drate dconstant d is d3 d times dgreater d than dreverse d rate dconstant.
C) The d forward drate dconstant d is d1000 dtimes dsmaller dthan dthe dreverse d rate dconstant.
D) The d forward drate dconstant d is d3 d times dsmaller dthan d the dreverse d rate dconstant.
E) There dis dnot d enough d information d given dto dcompare dthe dforward dand dreverse d rate
dconstants.
Answer: d A
Page d Ref: d Section d 4
6) The d study d of dthe denergy d changes d during d metabolic dreactions d is dcalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological dheat d dynamics
Answer: d D
Page d Ref: d Section d 4
7) A dspontaneous d chemical d reaction dalways d has d a change.
A) positive d Gibbʹs dfree d energy
B) negative dGibbʹs dfree d energy
C) positive denthalpy
D) negative denthalpy
E) positive dentropy
Answer: d B
Page d Ref: d Section d 4
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