TEST BANK - Principles of
Biochemistry, 5th Edition by Laurence
Moran, Robert Horton & Gray
Scrimgeour
COMPLETE CHAPTERS 1-23| VERIFIED
QUESTIONS AND CORRECT ANSWERS
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, Table of Contents
Chapter 1 Introduction to Biochemistry
Chapter 2 Water
Chapter 3 Amino Acids and the Primary Structures of Proteins
Chapter 4 Proteins: Three-Dimensional Structure and Function
Chapter 5 Properties of Enzymes
Chapter 6 Mechanisms of Enzymes
Chapter 7 Coenzymes and Vitamins
Chapter 8 Carbohydrates
Chapter 9 Lipids and Membranes
Chapter 10 Introduction to Metabolism
Chapter 11 Glycolysis
Chapter 12 Gluconeogenesis, The Pentose Phosphate Pathway, and Glycogen Metabolism
Chapter 13 The Citric Acid Cycle
Chapter 14 Electron Transport and Oxidative Phosphorylation
Chapter 15 Photosynthesis
Chapter 16 Lipid Metabolism
Chapter 17 Amino Acid Metabolism
Chapter 18 Nucleotide Metabolism
Chapter 19 Nucleic Acids
Chapter 20 DNA Replication, Repair, and Recombination
Chapter 21 Transcription and RNA Processing
Chapter 22 Protein Synthesis
Chapter 23 Recombinant DNA Technology
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,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-
Accurate 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
Accurate 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.
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Accurate Answer: E
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Page Ref: Section 3
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, 4) When Keq of a reaction = 1, then
A) the forward reaction is faster than the reverse reaction.
B) the reverse reaction is faster than the forward reaction.
C) the forward and reverse reaction rate constants are equal.
D) more products are formed than reactants.
E) fewer products are formed than reactants.
Accurate Answer: C
Page Ref: Section 4
5) Which statement is true about a reaction with an equilibrium constant, Keq, equal to 1000?
A) The forward rate constant is 1000 times greater than the reverse rate constant.
B) The forward rate constant is 3 times greater than reverse rate constant.
C) The forward rate constant is 1000 times smaller than the reverse rate constant.
D) The forward rate constant is 3 times smaller than the reverse rate constant.
E) There is not enough information given to compare the forward and reverse rate constants.
Accurate Answer: A
Page Ref: Section 4
6) The study of the energy changes during metabolic reactions is called .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological heat dynamics
Accurate Answer: D
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Page Ref: Section 4
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Biochemistry, 5th Edition by Laurence
Moran, Robert Horton & Gray
Scrimgeour
COMPLETE CHAPTERS 1-23| VERIFIED
QUESTIONS AND CORRECT ANSWERS
Ar
ch
Do
1
c
, Table of Contents
Chapter 1 Introduction to Biochemistry
Chapter 2 Water
Chapter 3 Amino Acids and the Primary Structures of Proteins
Chapter 4 Proteins: Three-Dimensional Structure and Function
Chapter 5 Properties of Enzymes
Chapter 6 Mechanisms of Enzymes
Chapter 7 Coenzymes and Vitamins
Chapter 8 Carbohydrates
Chapter 9 Lipids and Membranes
Chapter 10 Introduction to Metabolism
Chapter 11 Glycolysis
Chapter 12 Gluconeogenesis, The Pentose Phosphate Pathway, and Glycogen Metabolism
Chapter 13 The Citric Acid Cycle
Chapter 14 Electron Transport and Oxidative Phosphorylation
Chapter 15 Photosynthesis
Chapter 16 Lipid Metabolism
Chapter 17 Amino Acid Metabolism
Chapter 18 Nucleotide Metabolism
Chapter 19 Nucleic Acids
Chapter 20 DNA Replication, Repair, and Recombination
Chapter 21 Transcription and RNA Processing
Chapter 22 Protein Synthesis
Chapter 23 Recombinant DNA Technology
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,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-
Accurate 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
Accurate 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.
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Accurate Answer: E
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Page Ref: Section 3
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, 4) When Keq of a reaction = 1, then
A) the forward reaction is faster than the reverse reaction.
B) the reverse reaction is faster than the forward reaction.
C) the forward and reverse reaction rate constants are equal.
D) more products are formed than reactants.
E) fewer products are formed than reactants.
Accurate Answer: C
Page Ref: Section 4
5) Which statement is true about a reaction with an equilibrium constant, Keq, equal to 1000?
A) The forward rate constant is 1000 times greater than the reverse rate constant.
B) The forward rate constant is 3 times greater than reverse rate constant.
C) The forward rate constant is 1000 times smaller than the reverse rate constant.
D) The forward rate constant is 3 times smaller than the reverse rate constant.
E) There is not enough information given to compare the forward and reverse rate constants.
Accurate Answer: A
Page Ref: Section 4
6) The study of the energy changes during metabolic reactions is called .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological heat dynamics
Accurate Answer: D
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Page Ref: Section 4
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