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 aKeq aof aa a reaction a= a1, athen
A) the aforward a reaction ais afaster a than a the a reverse a reaction.
B) the areverse a reaction ais afaster a than a the a forward a reaction.
C) the aforward a and a reverse a reaction arate aconstants a are a equal.
D) more a products aare a formed athan a reactants.
E) fewer a products aare a formed a than a reactants.
Answer: a C
Page aRef: a Section a 4
5) Which a statement ais atrue aabout a a a reaction awith aan aequilibrium aconstant, a Keq, aequal a to
a1000?
A) The a forward arate aconstant a is a1000 a times agreater a than a the areverse a rate aconstant.
B) The a forward arate a constant a is a3 a times agreater a than areverse a rate aconstant.
C) The a forward arate aconstant a is a1000 a times asmaller athan athe areverse a rate aconstant.
D) The a forward arate aconstant a is a3 a times asmaller athan a the areverse a rate aconstant.
E) There ais anot a enough a information a given ato acompare athe a forward aand areverse a rate
aconstants.
Answer: a A
Page aRef: a Section a 4
6) The a study a of athe a energy a changes a during a metabolic areactions a is acalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological a heat a dynamics
Answer: a D
Page aRef: a Section a 4
7) A aspontaneous a chemical a reaction aalways a has a a change.
A) positive a Gibbʹs afree a energy
B) negative a Gibbʹs afree a energy
C) positive aenthalpy
D) negative aenthalpy
E) positive aentropy
Answer: a B
Page aRef: a Section a 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 aKeq aof aa a reaction a= a1, athen
A) the aforward a reaction ais afaster a than a the a reverse a reaction.
B) the areverse a reaction ais afaster a than a the a forward a reaction.
C) the aforward a and a reverse a reaction arate aconstants a are a equal.
D) more a products aare a formed athan a reactants.
E) fewer a products aare a formed a than a reactants.
Answer: a C
Page aRef: a Section a 4
5) Which a statement ais atrue aabout a a a reaction awith aan aequilibrium aconstant, a Keq, aequal a to
a1000?
A) The a forward arate aconstant a is a1000 a times agreater a than a the areverse a rate aconstant.
B) The a forward arate a constant a is a3 a times agreater a than areverse a rate aconstant.
C) The a forward arate aconstant a is a1000 a times asmaller athan athe areverse a rate aconstant.
D) The a forward arate aconstant a is a3 a times asmaller athan a the areverse a rate aconstant.
E) There ais anot a enough a information a given ato acompare athe a forward aand areverse a rate
aconstants.
Answer: a A
Page aRef: a Section a 4
6) The a study a of athe a energy a changes a during a metabolic areactions a is acalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological a heat a dynamics
Answer: a D
Page aRef: a Section a 4
7) A aspontaneous a chemical a reaction aalways a has a a change.
A) positive a Gibbʹs afree a energy
B) negative a Gibbʹs afree a energy
C) positive aenthalpy
D) negative aenthalpy
E) positive aentropy
Answer: a B
Page aRef: a Section a 4
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