M gChapterg2gReview
Becker'sg Theg Worldg ofg theg Cell,g 9eg (Hardin/Bertoni/Kleinsmith)gChap
terg2gThegChemistrygofgthegCell
2.1g Multiple-Choiceg Questions
1) Whatg atomg formsg theg backboneg ofg almostg allg biologicalg molecules?
A) hydrogen
B) nitrogen
C) carbon
D) sulfur
E) phosphorus
gAnswer:gC
Chapterg Section:g 2.1
Bloom'sg Taxonomy:g KnowledgegLearnin
ggOutcome:g 2.1
GlobalgLO:gG7
2) Riboseg hasg fiveg carbong atoms,g ofg whichg threeg areg asymmetric.g Whatg isg theg maximumg nu
mbergofgstereoisomersgthatgmaygexistgforgribose?
A) 2
B) 4
C) 6
D) 8
E) 10gAns
wer:g D
Chapterg Section:g 2.1
Bloom'sg Taxonomy:g ApplicationgLearni
nggOutcome:g 2.1
GlobalgLO:gG2,gG7
3) Whichg ofg theg followingg isg notg ag fundamentalg propertyg ofg carbon?
A) Carbon-containingg moleculesg areg diverse.
B) Carbon-containingg moleculesg mayg formg stereoisomers.
C) Carbon-containingg moleculesg areg stable.
D) Carbong hasgagvalencegofg4.
E) Carbong atomsg areg mostg likelyg tog formg ionicg bondsg withg oneg anot
her.gAnswer:gE
Chapterg Section:g 2.1
Bloom'sgTaxonomy:gComprehensiongLe
arninggOutcome:g2.1
GlobalgLO:gG7
1
Copyrightg©g2016gPearsongEducation,gIn
c.
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,3/13/24,g9:20gA 02gTestgBankg-
M gChapterg2gReview
4) Whichgofg theg followingg isg trueg ofgang asymmetricg carbong atom?
A) Onlyg aminog acidsg haveg asymmetricg carbong atoms.
B) Ag carbong withg hydrogensg attachedg atg twog locationsg isg usuallyg asymmetric.
C) Agcarbong withg hydrogensg attachedg atg threeg locationsg isg usuallygasymmetric.
D) Asymmetricg carbong atomsg createg stereoisomers.
E) Moleculesg mayg haveg onlyg oneg asymmetricg carbong ato
m.gAnswer:gD
Chapterg Section:g 2.1
Bloom'sgTaxonomy:gComprehensiongLe
arninggOutcome:g 2.1
GlobalgLO:gG2,gG7
5) Carbong cang form covalentg bonds.
A) single
B) double
C) triple
D) singleg andg double
E) single,gdouble,gandgtripl
egAnswer:gE
Chapterg Section:g 2.1
Bloom'sgTaxonomy:gComprehensiongLe
arninggOutcome:g 2.1
GlobalgLO:gG2,gG7
6) Whichgofgtheg followingg isgag unitg ofgenergy?
A) calorie
B) bond
C) watt
D) mole
E) bothgAgandg
BgAnswer:gA
Chapterg Section:g 2.1
Bloom'sg Taxonomy:g KnowledgegLearnin
ggOutcome:g 2.1
GlobalgLO:gG7
7) Biologically,g whichg ofg theg followingg isg theg leastg importantg characteristicg ofg water?
A) Watergmoleculesg areg polar.
B) Waterg moleculesg formg numerousg hydrogeng bonds.
C) Waterg isg ag goodg solvent.
D) Waterg typicallyg containsg isotopesg ofg hydrogen.
E) Waterg hasg ag temperature-
stabilizingg capacity.gAnswer:gD
Chapterg Section:g 2.2
Bloom'sg Taxonomy:g Synthesisg
Learningg Outcome:ggg2.1gGlo
balgLO:gG7
2
Copyrightg©g2016gPearsongEducation,gIn
c.
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M gChapterg2gReview
8) Whileg fishing,g youg makeg theg followingg observations:
a. Waterg spidersg appearg tog begablegwalkgong thegsurfacegofg thegwater.
b. Flatgrocksg maygbeg madeg togskipgacrossg thegwater.
Whichg ofg theg followingg propertiesg ofg waterg cang explaing theseg observations?
A) Waterg isg angexcellentg solvent.
B) Waterg moleculesg areg heavy.
C) Waterg moleculesg areg cohesive.
D) Waterg moleculesgareg polar.
E) BothgBgandg
CgAnswer:gC
Chapterg Section:g 2.2
Bloom'sg Taxonomy:g ApplicationgLearni
nggOutcome:g 2.1
GlobalgLO:gG7
9) Theg moong lacksg lifeg andg variesgdramaticallyg ingtemperature.gIfg wegcouldg keepgaglayergofg w
atergspreadgongthegsurfacegofgthegmoon,gwhatgeffectgwouldgitghave?
A) Physicalg conditionsg wouldg remaing theg same.
B) Becauseg waterg hasg ag highg heatg ofg vaporization,g theg temperaturesg wouldg riseg tog theg u
ppergextremes.
C) Theg temperaturesg wouldg dropg tog theg lowerg extremes.
D) Waterg wouldg absorbg andg holdg heatg andg moderateg theg temperatureg extremes.
E) Lifeg wouldg beg possible,g butg itg wouldg haveg tog withstandg theseg extremesg ing temperat
ure.gAnswer:gD
Chapterg Section:g 2.2
Bloom'sg Taxonomy:g ApplicationgLearni
nggOutcome:g 2.1
GlobalgLO:gG7
10) Whyg dog ionicg substancesg suchg asg NaClg dissolveg sog readilyg ing water?
A) NaClg isgag verygdryg powder,gandgthegwatergisg ablegtogsoakg intogtheg salt.
B) Theg sodiumg ionsg repelg theg negativeg endg ofg theg waterg molecule.
C) Waterg moleculesg formg spheresg ofg hydrationg aroundg theg sodiumg andg chlorideg ions.
D) Theg chargedg endsg ofg theg waterg moleculesg areg ableg tog surroundg theg oppositelyg chargedg saltg ion.
E) BothgCgandg
DgAnswer:gE
Chapterg Section:g 2.2
Bloom'sgTaxonomy:gComprehensiongLe
arninggOutcome:g 2.1
GlobalgLO:gG7
3
Copyrightg©g2016gPearsongEducation,gIn
c.
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