,Contents
Chapter 1
x Introduction to Biochemistry x x 1
Chapter 2
x Water 10
Chapter 3
x Amino Acids and the Primary Structures of Proteins
x x x x x x x 27
Chapter 4
x Proteins: Three-Dimensional Structure and Function
x x x x 46
Chapter 5
x Properties of Enzymes x x 65
Chapter 6
x Mechanisms of Enzymes x x 85
Chapter 7
x Coenzymes and Vitamins x x 104
Chapter 8
x Carbohydrates 119
Chapter 9
x Lipids and Membranes
x x 137
Chapter 10
x Introduction to Metabolism x x 153
Chapter 11
x Glycolysis 169
Chapter 12
x Gluconeogenesis, The Pentose Phosphate Pathway, x x x x
and Glycogen Metabolism
x x 185
Chapter 13
x The Citric Acid Cycle
x x x 199
Chapter 14
x Electron Transport and Oxidative Phosphorylation
x x x x 213
Chapter 15
x Photosynthesis 227
Chapter 16
x Lipid Metabolism
x 241
Chapter 17
x Amino Acid Metabolism
x x 256
Chapter 18
x Nucleotide Metabolism x 269
Chapter 19
x Nucleic Acids x 284
Chapter 20
x DNA Replication, Repair, and Recombination
x x x x 300
Chapter 21
x Transcription and RNA Processing x x x 315
Chapter 22
x Protein Synthesis
x 330
Chapter 23
x Recombinant DNA Technology x x 348
,Chapter 1 Introduction to Biochemistry
x x x
1) Whichx elementsx accountx forx morex thanx 97%x ofx thex weightx ofx mostx organisms?
A) C,x H,x N,x Mg,x O,x S
B) C,x H,x N,x O,x P,x S
C) C,x H,x N
D) Fe,x C,x H,x O,x P
E) Ca2+,x K+,x Na+,x Mg2+,x Cl-
Answer:x B
Pagex Ref:x Sectionx 2
2) Proteinsx inx biologicalx membranesx mayx be
A) porous.
B) attachedx tox thex membranex surface.
C) spanx thex membrane.
D) Allx ofx thex above
E) Bx andx Cx only
Answer:x D
Pagex Ref:x Sectionx 3
3) Whichx statementx aboutx cellulosex isx false?
A) Itx isx thex mostx abundantx polysaccharidex inx nature.
B) Itsx monomersx arex joinedx byx glycosidicx bonds.
C) Itx isx presentx inx thex stemsx ofx floweringx plants.
D) Thex hydroxylx groupsx ofx neighboringx cellulosex moleculesx interactx tox formx strong,x
insolublex fibers.
E) Itx isx ax branchedx polymerx ofx glucose.
Answer:x E
Pagex Ref:x Sectionx 3
1
, 4) WhenxKeqx ofxax reactionx =x1,x then
A) thex forwardx reactionx isx fasterx thanx thex reversex reaction.
B) thex reversex reactionx isx fasterx thanx thex forwardx reaction.
C) thex forwardx andx reversex reactionx ratex constantsx arex equal.
D) morex productsx arex formedx thanx reactants.
E) fewerx productsx arex formedx thanx reactants.
Answer:x C
Pagex Ref:x Sectionx 4
5) Whichx statementx isx truex aboutx ax reactionx withx anx equilibriumx constant,x Keq,x equalx tox 1000?
A) Thex forwardx ratex constantx isx 1000x timesx greaterx thanx thex reversex ratex constant.
B) Thex forwardx ratex constantx isx 3x timesx greaterx thanx reversex ratex constant.
C) Thex forwardx ratex constantx isx 1000x timesx smallerx thanx thex reversex ratex constant.
D) Thex forwardx ratex constantx isx 3x timesx smallerx thanx thex reversex ratex constant.
E) Therex isx notx enoughx informationx givenx tox comparex thex forwardx andx reversex ratex constants.
Answer:x A
Pagex Ref:x Sectionx 4
6) Thex studyx ofx thex energyx changesx duringx metabolicx reactionsx isx calledx .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalx heatx dynamics
Answer:x D
Pagex Ref:x Sectionx 4
7) Ax spontaneousx chemicalx reactionx alwaysx hasx ax x change.
A) positivex Gibbʹsx freex energy
B) negativex Gibbʹsx freex energy
C) positivex enthalpy
D) negativex enthalpy
E) positivex entropy
Answer:x B
Pagex Ref:x Sectionx 4
2
Chapter 1
x Introduction to Biochemistry x x 1
Chapter 2
x Water 10
Chapter 3
x Amino Acids and the Primary Structures of Proteins
x x x x x x x 27
Chapter 4
x Proteins: Three-Dimensional Structure and Function
x x x x 46
Chapter 5
x Properties of Enzymes x x 65
Chapter 6
x Mechanisms of Enzymes x x 85
Chapter 7
x Coenzymes and Vitamins x x 104
Chapter 8
x Carbohydrates 119
Chapter 9
x Lipids and Membranes
x x 137
Chapter 10
x Introduction to Metabolism x x 153
Chapter 11
x Glycolysis 169
Chapter 12
x Gluconeogenesis, The Pentose Phosphate Pathway, x x x x
and Glycogen Metabolism
x x 185
Chapter 13
x The Citric Acid Cycle
x x x 199
Chapter 14
x Electron Transport and Oxidative Phosphorylation
x x x x 213
Chapter 15
x Photosynthesis 227
Chapter 16
x Lipid Metabolism
x 241
Chapter 17
x Amino Acid Metabolism
x x 256
Chapter 18
x Nucleotide Metabolism x 269
Chapter 19
x Nucleic Acids x 284
Chapter 20
x DNA Replication, Repair, and Recombination
x x x x 300
Chapter 21
x Transcription and RNA Processing x x x 315
Chapter 22
x Protein Synthesis
x 330
Chapter 23
x Recombinant DNA Technology x x 348
,Chapter 1 Introduction to Biochemistry
x x x
1) Whichx elementsx accountx forx morex thanx 97%x ofx thex weightx ofx mostx organisms?
A) C,x H,x N,x Mg,x O,x S
B) C,x H,x N,x O,x P,x S
C) C,x H,x N
D) Fe,x C,x H,x O,x P
E) Ca2+,x K+,x Na+,x Mg2+,x Cl-
Answer:x B
Pagex Ref:x Sectionx 2
2) Proteinsx inx biologicalx membranesx mayx be
A) porous.
B) attachedx tox thex membranex surface.
C) spanx thex membrane.
D) Allx ofx thex above
E) Bx andx Cx only
Answer:x D
Pagex Ref:x Sectionx 3
3) Whichx statementx aboutx cellulosex isx false?
A) Itx isx thex mostx abundantx polysaccharidex inx nature.
B) Itsx monomersx arex joinedx byx glycosidicx bonds.
C) Itx isx presentx inx thex stemsx ofx floweringx plants.
D) Thex hydroxylx groupsx ofx neighboringx cellulosex moleculesx interactx tox formx strong,x
insolublex fibers.
E) Itx isx ax branchedx polymerx ofx glucose.
Answer:x E
Pagex Ref:x Sectionx 3
1
, 4) WhenxKeqx ofxax reactionx =x1,x then
A) thex forwardx reactionx isx fasterx thanx thex reversex reaction.
B) thex reversex reactionx isx fasterx thanx thex forwardx reaction.
C) thex forwardx andx reversex reactionx ratex constantsx arex equal.
D) morex productsx arex formedx thanx reactants.
E) fewerx productsx arex formedx thanx reactants.
Answer:x C
Pagex Ref:x Sectionx 4
5) Whichx statementx isx truex aboutx ax reactionx withx anx equilibriumx constant,x Keq,x equalx tox 1000?
A) Thex forwardx ratex constantx isx 1000x timesx greaterx thanx thex reversex ratex constant.
B) Thex forwardx ratex constantx isx 3x timesx greaterx thanx reversex ratex constant.
C) Thex forwardx ratex constantx isx 1000x timesx smallerx thanx thex reversex ratex constant.
D) Thex forwardx ratex constantx isx 3x timesx smallerx thanx thex reversex ratex constant.
E) Therex isx notx enoughx informationx givenx tox comparex thex forwardx andx reversex ratex constants.
Answer:x A
Pagex Ref:x Sectionx 4
6) Thex studyx ofx thex energyx changesx duringx metabolicx reactionsx isx calledx .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalx heatx dynamics
Answer:x D
Pagex Ref:x Sectionx 4
7) Ax spontaneousx chemicalx reactionx alwaysx hasx ax x change.
A) positivex Gibbʹsx freex energy
B) negativex Gibbʹsx freex energy
C) positivex enthalpy
D) negativex enthalpy
E) positivex entropy
Answer:x B
Pagex Ref:x Sectionx 4
2
