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