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