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