TESTBANK cn
PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
cn cn cn cn
Laurence Moran, Robert Horton, Gray Scrimgeour & Marc Perry
cn cn cn cn cn cn cn cn
,Principles of Biochemistry, 5th Edition Test Bank By: Moran, Horton, Scrimgeour, Perry
cn cn cn cn cn cn cn cn cn cn cn
Contents:
Chapter 1
cn Introduction to Biochemistry cn cn 1
Chapter 2
cn Water 10
Chapter 3
cn Amino Acids and the Primary Structures of Proteins
cn cn cn cn cn cn cn 27
Chapter 4
cn Proteins: Three-Dimensional Structure and Function
cn cn cn cn 46
Chapter 5
cn Properties of Enzymes cn cn 65
Chapter 6
cn Mechanisms of Enzymes cn cn 85
Chapter 7
cn Coenzymes and Vitamins cn cn 104
Chapter 8
cn Carbohydrates 119
Chapter 9
cn Lipids and Membranes
cn cn 137
Chapter 10
cn Introduction to Metabolism cn cn 153
Chapter 11
cn Glycolysis 169
Chapter 12
cn Gluconeogenesis, The Pentose Phosphate Pathway, cn cn cn cn
and Glycogen Metabolism
cn cn 185
Chapter 13
cn The Citric Acid Cycle
cn cn cn 199
Chapter 14
cn Electron Transport and Oxidative Phosphorylation
cn cn cn cn 213
Chapter 15
cn Photosynthesis 227
Chapter 16
cn Lipid Metabolism
cn 241
Chapter 17
cn Amino Acid Metabolism
cn cn 256
Chapter 18
cn Nucleotide Metabolism cn 269
Chapter 19
cn Nucleic Acids cn 284
Chapter 20
cn DNA Replication, Repair, and Recombination
cn cn cn cn 300
Chapter 21
cn Transcription and RNA Processing cn cn cn 315
Chapter 22
cn Protein Synthesis cn 330
Chapter 23
cn Recombinant DNA Technology cn cn 348
,Chapter 1 Introduction to Biochemistry
cn cn cn
1) Which elements account for more than 97% of the weight of most organisms?
cn cn cn cn cn cn cn cn cn cn cn cn
A) C, H, N, Mg, O, S
cn cn cn cn cn
B) C, H, N, O, P, S
cn cn cn cn cn
C) C, H, N cn cn
D) Fe, C, H, O, P
cn cn cn cn
E) Ca2+, K+, Na+, Mg2+, Cl- cn cn cn cn
Answer: B c n
Page Ref: Section 2
cn cn cn
2) Proteins in biological membranes may be
cn cn cn cn cn
A) porous.
B) attached to the membrane surface. cn cn cn cn
C) span the membrane. cn cn
D) All of the above
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E) B and C only
cn cn cn
Answer: D c n
Page Ref: Section 3
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3) Which statement about cellulose is false?
cn cn cn cn cn
A) It is the most abundant polysaccharide in nature.
cn cn cn cn cn cn cn
B) Its monomers are joined by glycosidic bonds.
cn cn cn cn cn cn
C) It is present in the stems of flowering plants.
cn cn cn cn cn cn cn cn
D) The hydroxyl groups of neighboring cellulose molecules interact to form strong, insolubl
cn cn cn cn cn cn cn cn cn cn cn
e fibers.
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E) It is a branched polymer of glucose.
cn cn cn cn cn cn
Answer: E c n
Page Ref: Section 3
cn cn cn
1
, 4) When Keq of a reaction = 1, then
cn cn cn cn cn cn cn
A) the forward reaction is faster than the reverse reaction.
cn cn cn cn cn cn cn cn
B) the reverse reaction is faster than the forward reaction.
cn cn cn cn cn cn cn cn
C) the forward and reverse reaction rate constants are equal.
cn cn cn cn cn cn cn cn
D) more products are formed than reactants.
cn cn cn cn cn
E) fewer products are formed than reactants.
cn cn cn cn cn
Answer: C c n
Page Ref: Section 4
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5) Which statement is true about a reaction with an equilibrium constant, Keq, equal to 1000?
cn cn cn cn cn cn cn cn cn cn cn cn cn cn
A) The forward rate constant is 1000 times greater than the reverse rate constant.
cn cn cn cn cn cn cn cn cn cn cn cn
B) The forward rate constant is 3 times greater than reverse rate constant.
cn cn cn cn cn cn cn cn cn cn cn
C) The forward rate constant is 1000 times smaller than the reverse rate constant.
cn cn cn cn cn cn cn cn cn cn cn cn
D) The forward rate constant is 3 times smaller than the reverse rate constant.
cn cn cn cn cn cn cn cn cn cn cn cn
E) There is not enough information given to compare the forward and reverse rate constants.
cn cn cn cn cn cn cn cn cn cn cn cn cn
Answer: A c n
Page Ref: Section 4
cn cn cn
6) The study of the energy changes during metabolic reactions is called
cn cn cn cn cn cn cn cn cn cn .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological heat dynamics cn cn
Answer: D c n
Page Ref: Section 4
cn cn cn
7) A spontaneous chemical reaction always has a
cn cn cn cn cn cn change.
A) positive Gibbʹs free energy cn cn cn
B) negative Gibbʹs free energy cn cn cn
C) positive enthalpy cn
D) negative enthalpy cn
E) positive entropy cn
Answer: B c n
Page Ref: Section 4
cn cn cn
2
PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
cn cn cn cn
Laurence Moran, Robert Horton, Gray Scrimgeour & Marc Perry
cn cn cn cn cn cn cn cn
,Principles of Biochemistry, 5th Edition Test Bank By: Moran, Horton, Scrimgeour, Perry
cn cn cn cn cn cn cn cn cn cn cn
Contents:
Chapter 1
cn Introduction to Biochemistry cn cn 1
Chapter 2
cn Water 10
Chapter 3
cn Amino Acids and the Primary Structures of Proteins
cn cn cn cn cn cn cn 27
Chapter 4
cn Proteins: Three-Dimensional Structure and Function
cn cn cn cn 46
Chapter 5
cn Properties of Enzymes cn cn 65
Chapter 6
cn Mechanisms of Enzymes cn cn 85
Chapter 7
cn Coenzymes and Vitamins cn cn 104
Chapter 8
cn Carbohydrates 119
Chapter 9
cn Lipids and Membranes
cn cn 137
Chapter 10
cn Introduction to Metabolism cn cn 153
Chapter 11
cn Glycolysis 169
Chapter 12
cn Gluconeogenesis, The Pentose Phosphate Pathway, cn cn cn cn
and Glycogen Metabolism
cn cn 185
Chapter 13
cn The Citric Acid Cycle
cn cn cn 199
Chapter 14
cn Electron Transport and Oxidative Phosphorylation
cn cn cn cn 213
Chapter 15
cn Photosynthesis 227
Chapter 16
cn Lipid Metabolism
cn 241
Chapter 17
cn Amino Acid Metabolism
cn cn 256
Chapter 18
cn Nucleotide Metabolism cn 269
Chapter 19
cn Nucleic Acids cn 284
Chapter 20
cn DNA Replication, Repair, and Recombination
cn cn cn cn 300
Chapter 21
cn Transcription and RNA Processing cn cn cn 315
Chapter 22
cn Protein Synthesis cn 330
Chapter 23
cn Recombinant DNA Technology cn cn 348
,Chapter 1 Introduction to Biochemistry
cn cn cn
1) Which elements account for more than 97% of the weight of most organisms?
cn cn cn cn cn cn cn cn cn cn cn cn
A) C, H, N, Mg, O, S
cn cn cn cn cn
B) C, H, N, O, P, S
cn cn cn cn cn
C) C, H, N cn cn
D) Fe, C, H, O, P
cn cn cn cn
E) Ca2+, K+, Na+, Mg2+, Cl- cn cn cn cn
Answer: B c n
Page Ref: Section 2
cn cn cn
2) Proteins in biological membranes may be
cn cn cn cn cn
A) porous.
B) attached to the membrane surface. cn cn cn cn
C) span the membrane. cn cn
D) All of the above
cn cn cn
E) B and C only
cn cn cn
Answer: D c n
Page Ref: Section 3
cn cn cn
3) Which statement about cellulose is false?
cn cn cn cn cn
A) It is the most abundant polysaccharide in nature.
cn cn cn cn cn cn cn
B) Its monomers are joined by glycosidic bonds.
cn cn cn cn cn cn
C) It is present in the stems of flowering plants.
cn cn cn cn cn cn cn cn
D) The hydroxyl groups of neighboring cellulose molecules interact to form strong, insolubl
cn cn cn cn cn cn cn cn cn cn cn
e fibers.
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E) It is a branched polymer of glucose.
cn cn cn cn cn cn
Answer: E c n
Page Ref: Section 3
cn cn cn
1
, 4) When Keq of a reaction = 1, then
cn cn cn cn cn cn cn
A) the forward reaction is faster than the reverse reaction.
cn cn cn cn cn cn cn cn
B) the reverse reaction is faster than the forward reaction.
cn cn cn cn cn cn cn cn
C) the forward and reverse reaction rate constants are equal.
cn cn cn cn cn cn cn cn
D) more products are formed than reactants.
cn cn cn cn cn
E) fewer products are formed than reactants.
cn cn cn cn cn
Answer: C c n
Page Ref: Section 4
cn cn cn
5) Which statement is true about a reaction with an equilibrium constant, Keq, equal to 1000?
cn cn cn cn cn cn cn cn cn cn cn cn cn cn
A) The forward rate constant is 1000 times greater than the reverse rate constant.
cn cn cn cn cn cn cn cn cn cn cn cn
B) The forward rate constant is 3 times greater than reverse rate constant.
cn cn cn cn cn cn cn cn cn cn cn
C) The forward rate constant is 1000 times smaller than the reverse rate constant.
cn cn cn cn cn cn cn cn cn cn cn cn
D) The forward rate constant is 3 times smaller than the reverse rate constant.
cn cn cn cn cn cn cn cn cn cn cn cn
E) There is not enough information given to compare the forward and reverse rate constants.
cn cn cn cn cn cn cn cn cn cn cn cn cn
Answer: A c n
Page Ref: Section 4
cn cn cn
6) The study of the energy changes during metabolic reactions is called
cn cn cn cn cn cn cn cn cn cn .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological heat dynamics cn cn
Answer: D c n
Page Ref: Section 4
cn cn cn
7) A spontaneous chemical reaction always has a
cn cn cn cn cn cn change.
A) positive Gibbʹs free energy cn cn cn
B) negative Gibbʹs free energy cn cn cn
C) positive enthalpy cn
D) negative enthalpy cn
E) positive entropy cn
Answer: B c n
Page Ref: Section 4
cn cn cn
2