,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 elementsxaccountx forx morex thanx97%x ofxthexweightx ofxmostxorganisms?
A) C,x H,xN,xMg,xO,x S
B) C,x H,xN,xO,x P,xS
C) C,x H,xN
D) Fe,xC,x H,xO,x P
E) Ca2+,xK+,xNa+,xMg2+,xCl-
Answer:x B
Pagex Ref:x Sectionx 2
2) Proteinsxinxbiologicalx membranesx mayxbe
A) porous.
B) attachedx toxthex membranex surface.
C) spanx thexmembrane.
D) Allx ofxthexabove
E) BxandxCxonly
Answer:x D
Pagex Ref:x Sectionx 3
3) Whichx statementxaboutx cellulosexisxfalse?
A) Itx isxthexmostxabundantx polysaccharidex inxnature.
B) Itsxmonomersx arex joinedx byxglycosidicx bonds.
C) Itx isxpresentx inxthexstemsxofxfloweringxplants.
D) Thexhydroxylxgroupsxofxneighboringxcellulosexmoleculesxinteractxtoxformxstrong,xinsolublexfi
bers.
E) Itx isxax branchedxpolymerx ofxglucose.
Answer:x E
Pagex Ref:x Sectionx 3
1
, 4) WhenxKeqxofxax reactionx=x1,xthen
A) thexforwardx reactionxisxfasterx thanx thexreversex reaction.
B) thexreversex reactionxisxfasterx thanx thexforwardx reaction.
C) thexforwardx andx reversex reactionxratexconstantsx arex equal.
D) morex productsxarex formedxthanx reactants.
E) fewerx productsxarex formedxthanx reactants.
Answer:x C
Pagex Ref:x Sectionx 4
5) Whichx statementxisxtruexaboutx ax reactionxwithxanxequilibriumxconstant,x Keq,xequalx tox1000?
A) Thex forwardx ratexconstantx isx1000xtimesxgreaterx thanx thexreversex ratexconstant.
B) Thex forwardxratexconstantx isx3x timesxgreaterx thanx reversex ratexconstant.
C) Thex forwardx ratexconstantx isx1000xtimesxsmallerxthanx thexreversex ratexconstant.
D) Thex forwardxratexconstantx isx3x timesxsmallerxthanx thexreversex ratexconstant.
E) Therexisxnotx enoughx informationx givenxtoxcomparexthex forwardx andxreversex ratexconstants.
Answer:x A
Pagex Ref:x Sectionx 4
6) Thex studyx ofxthexenergyx changesx duringx metabolicxreactionsx isxcalledx .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalxheatx dynamics
Answer:x D
Pagex Ref:x Sectionx 4
7) Axspontaneousx chemicalx reactionxalwaysx hasx ax change.
x
A) positivex Gibbʹsxfreex energy
B) negativexGibbʹsxfreex 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 elementsxaccountx forx morex thanx97%x ofxthexweightx ofxmostxorganisms?
A) C,x H,xN,xMg,xO,x S
B) C,x H,xN,xO,x P,xS
C) C,x H,xN
D) Fe,xC,x H,xO,x P
E) Ca2+,xK+,xNa+,xMg2+,xCl-
Answer:x B
Pagex Ref:x Sectionx 2
2) Proteinsxinxbiologicalx membranesx mayxbe
A) porous.
B) attachedx toxthex membranex surface.
C) spanx thexmembrane.
D) Allx ofxthexabove
E) BxandxCxonly
Answer:x D
Pagex Ref:x Sectionx 3
3) Whichx statementxaboutx cellulosexisxfalse?
A) Itx isxthexmostxabundantx polysaccharidex inxnature.
B) Itsxmonomersx arex joinedx byxglycosidicx bonds.
C) Itx isxpresentx inxthexstemsxofxfloweringxplants.
D) Thexhydroxylxgroupsxofxneighboringxcellulosexmoleculesxinteractxtoxformxstrong,xinsolublexfi
bers.
E) Itx isxax branchedxpolymerx ofxglucose.
Answer:x E
Pagex Ref:x Sectionx 3
1
, 4) WhenxKeqxofxax reactionx=x1,xthen
A) thexforwardx reactionxisxfasterx thanx thexreversex reaction.
B) thexreversex reactionxisxfasterx thanx thexforwardx reaction.
C) thexforwardx andx reversex reactionxratexconstantsx arex equal.
D) morex productsxarex formedxthanx reactants.
E) fewerx productsxarex formedxthanx reactants.
Answer:x C
Pagex Ref:x Sectionx 4
5) Whichx statementxisxtruexaboutx ax reactionxwithxanxequilibriumxconstant,x Keq,xequalx tox1000?
A) Thex forwardx ratexconstantx isx1000xtimesxgreaterx thanx thexreversex ratexconstant.
B) Thex forwardxratexconstantx isx3x timesxgreaterx thanx reversex ratexconstant.
C) Thex forwardx ratexconstantx isx1000xtimesxsmallerxthanx thexreversex ratexconstant.
D) Thex forwardxratexconstantx isx3x timesxsmallerxthanx thexreversex ratexconstant.
E) Therexisxnotx enoughx informationx givenxtoxcomparexthex forwardx andxreversex ratexconstants.
Answer:x A
Pagex Ref:x Sectionx 4
6) Thex studyx ofxthexenergyx changesx duringx metabolicxreactionsx isxcalledx .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalxheatx dynamics
Answer:x D
Pagex Ref:x Sectionx 4
7) Axspontaneousx chemicalx reactionxalwaysx hasx ax change.
x
A) positivex Gibbʹsxfreex energy
B) negativexGibbʹsxfreex energy
C) positivex enthalpy
D) negativex enthalpy
E) positivex entropy
Answer:x B
Pagex Ref:x Sectionx 4
2
