,Biochemistry:nConceptsnandnConnectionsn(Applingnetnal.)nCha
ptern1n n BiochemistrynandnthenLanguagenofnChemistry
1) Thenwaterncontentninnthenhumannbodynisnapproximately:
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer:n C
2) Thenfournmostnabundantnchemicalnelementsninnlivingnsystemsnare:
A) hydrogen,noxygen,nsulfurnandnphosphorus.
B) hydrogen,ncarbon,nnitrogennandnoxygen.
C) sodium,npotassium,ncarbonnandnoxygen.
D) sodium,npotassium,nnitrogennandnsulfur.
E) carbon,nnitrogen,noxygennandnpotassium.n
Answer:n B
Objective:n 1.2
3) Nearlynallnproteinsncontain:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) nonenofnthenabove.n
Answer:n DnObjectiv
e:n 1.2nGlobalnLO:n G
7
4) WhichnofnthenfollowingnstatementsnisnFALSE?
A) Proteinsncannbenstructuralncomponentsnofncells.
B) Proteinsncanntransmitnsignalsnbetweenncells.
C) Proteinsncanntransportnmoleculesnwithinncellsnandnbetweenncells.
D) Proteinsncannbenbothnhormonesnandnhormonenreceptors.
E) Proteinsnarenthenonlynbiologicalnpolymernthatncanncatalyzenbiochemicalnreactions.n
Answer:n E
Objective:n 1.2n
GlobalnLO:n G7
1
Copyrightn©n2016nPearsonnEducation,nInc.
,5) WhichnofnthenfollowingnisnNOTnclassednasnanlipid?
A) Cholesterol
B) Palmiticnacid
C) Glycerol
D) Phosphatidylnserine
E) Triacylglycerol
nAnswer:n CnObjec
tive:n 1.2nGlobalnL
O:n G7
6) Aminonacidsnandnsimplenorganicncompoundsnlikencarbonndioxidenandnhydrogenncyanidencannotn
benproducednwithoutnthenusenofnenzymes.
Answer:n FALSEnObj
ective:n 1.2nGlobalnL
O:n G7
7) Oxidation-
reductionnreactions,nwhichnarenthenbasisnofnmanynbiochemicalnreactionsnandnpathways,ncan
notntakenplaceninnthenabsencenofnoxygen.
Answer:n FALSEnObj
ective:n 1.2nGlobalnL
O:n G7
8) Manynbiochemicalnreactionsnthatnformnbiopolymersnfromnmonomericnunitsninvolventhenr
emovalnofnwater.
Answer:n TRUEnObje
ctive:n 1.2nGlobalnLO
:n G7
9) Thenprinciplencomponentnofnanbiologicalnmembranenisnantriglyceride.n
Answer:n FALSE
Objective:n 1.2n
GlobalnLO:n G7
10) Thenchemicalnelementn
hasnanroleninnbothntransfernofnenergynasnwellnasninnthenstructurenofnnucleicnacids.
Answer:n phosphorusn
Objective:n 1.2nGloba
lnLO:n G7
11) Listnthenfournmajornclassesnofnbiologicalnmacromolecules.n
Answer:n lipids,ncarbohydrates,nproteins,nnucleicnacidsnObjecti
ve:n 1.2
GlobalnLO:n G7
2
Copyrightn©n2016nPearsonnEducation,nInc.
, 12) Annamphipathicnmoleculenprovidesnthenfoundationnfornbiologicalnmembranesnbecausentheyn
havenbothn andn functionalngroups.
Answer:n hydrophobic,nhydrophilicnO
bjective:n 1.2
GlobalnLO:n G7
13) Genomicsnisnconcernednwithnthenentiren ,nwhilen
isnfocusednonnidentifyingnallnofnthenproteinsnofnancell.
Answer:n genome,nproteomicsnObjecti
ve:n 1.5
GlobalnLO:n G1
3
Copyrightn©n2016nPearsonnEducation,nInc.
ptern1n n BiochemistrynandnthenLanguagenofnChemistry
1) Thenwaterncontentninnthenhumannbodynisnapproximately:
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer:n C
2) Thenfournmostnabundantnchemicalnelementsninnlivingnsystemsnare:
A) hydrogen,noxygen,nsulfurnandnphosphorus.
B) hydrogen,ncarbon,nnitrogennandnoxygen.
C) sodium,npotassium,ncarbonnandnoxygen.
D) sodium,npotassium,nnitrogennandnsulfur.
E) carbon,nnitrogen,noxygennandnpotassium.n
Answer:n B
Objective:n 1.2
3) Nearlynallnproteinsncontain:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) nonenofnthenabove.n
Answer:n DnObjectiv
e:n 1.2nGlobalnLO:n G
7
4) WhichnofnthenfollowingnstatementsnisnFALSE?
A) Proteinsncannbenstructuralncomponentsnofncells.
B) Proteinsncanntransmitnsignalsnbetweenncells.
C) Proteinsncanntransportnmoleculesnwithinncellsnandnbetweenncells.
D) Proteinsncannbenbothnhormonesnandnhormonenreceptors.
E) Proteinsnarenthenonlynbiologicalnpolymernthatncanncatalyzenbiochemicalnreactions.n
Answer:n E
Objective:n 1.2n
GlobalnLO:n G7
1
Copyrightn©n2016nPearsonnEducation,nInc.
,5) WhichnofnthenfollowingnisnNOTnclassednasnanlipid?
A) Cholesterol
B) Palmiticnacid
C) Glycerol
D) Phosphatidylnserine
E) Triacylglycerol
nAnswer:n CnObjec
tive:n 1.2nGlobalnL
O:n G7
6) Aminonacidsnandnsimplenorganicncompoundsnlikencarbonndioxidenandnhydrogenncyanidencannotn
benproducednwithoutnthenusenofnenzymes.
Answer:n FALSEnObj
ective:n 1.2nGlobalnL
O:n G7
7) Oxidation-
reductionnreactions,nwhichnarenthenbasisnofnmanynbiochemicalnreactionsnandnpathways,ncan
notntakenplaceninnthenabsencenofnoxygen.
Answer:n FALSEnObj
ective:n 1.2nGlobalnL
O:n G7
8) Manynbiochemicalnreactionsnthatnformnbiopolymersnfromnmonomericnunitsninvolventhenr
emovalnofnwater.
Answer:n TRUEnObje
ctive:n 1.2nGlobalnLO
:n G7
9) Thenprinciplencomponentnofnanbiologicalnmembranenisnantriglyceride.n
Answer:n FALSE
Objective:n 1.2n
GlobalnLO:n G7
10) Thenchemicalnelementn
hasnanroleninnbothntransfernofnenergynasnwellnasninnthenstructurenofnnucleicnacids.
Answer:n phosphorusn
Objective:n 1.2nGloba
lnLO:n G7
11) Listnthenfournmajornclassesnofnbiologicalnmacromolecules.n
Answer:n lipids,ncarbohydrates,nproteins,nnucleicnacidsnObjecti
ve:n 1.2
GlobalnLO:n G7
2
Copyrightn©n2016nPearsonnEducation,nInc.
, 12) Annamphipathicnmoleculenprovidesnthenfoundationnfornbiologicalnmembranesnbecausentheyn
havenbothn andn functionalngroups.
Answer:n hydrophobic,nhydrophilicnO
bjective:n 1.2
GlobalnLO:n G7
13) Genomicsnisnconcernednwithnthenentiren ,nwhilen
isnfocusednonnidentifyingnallnofnthenproteinsnofnancell.
Answer:n genome,nproteomicsnObjecti
ve:n 1.5
GlobalnLO:n G1
3
Copyrightn©n2016nPearsonnEducation,nInc.
