Test Bank for Essential Cell Biology 4th Edition Alberts
g g g g g g g g
NursinggCaregofgthegChildg(AlabamagStategUniversity)
Studocugisgnotgsponsoredgorgendorsedgbyganygcollegegorguniversity
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, Chapterg1:gCELLS:gTHEgFUNDAMENTALgUNITSgOFgLIFE
UnitygandgDiversitygofgCells
1-1 Livinggsystemsgaregincrediblygdiversegingsize,gshape,genvironment,gandgbehavior.gItgisgestimatedgthatgthe
regaregbetweeng10gmilliongandg100gmilliongdifferentgspecies.gDespitegthisgwidegvarietygofgorganisms,git
gremainsgdifficultgtogdefinegwhatgitgmeansgtogsaygsomethinggisgalive.gWhichgofgthegfollowinggcangbegde
scribedgasgthegsmallestglivinggunit?
(a) DNA
(b) cell
(c) organelle
(d) protein
1-2 Indicategwhethergthegfollowinggstatementsgaregtruegorgfalse.gIfgthegstatementgisgfalse,gexplaingwhygi
tgisgfalse.
A. ThegParameciumgisgagmulticellulargmicroorganismgcoveredgwithghair-likegcilia.
B. Cellsgofgdifferentgtypesgcanghavegdifferentgchemicalgrequirements.
C. Thegbranchlikegextensionsgthatgsproutgfromgagsinglegnervegcellgingagmammaliangbraingcangextendgo
vergseveralghundredgmicrometers.
1-3 Forgeachgofgthegfollowinggsentences,gfillgingthegblanksgwithgthegbestgwordgorgphrasegselectedgfromgtheg
listgbelow.gNotgallgwordsgorgphrasesgwillgbegused;geachgwordgorgphrasegshouldgbegusedgonlygonce.
Cellsgcangbegverygdiverse:gsuperficially,gtheygcomegingvariousgsizes,granginggfromgbacterialgcellsgsuchgasg
Lactobacillus,gwhichgisgagfew
inglength,gtoglargergcellsgsuchgasgagfrog’sgegg,gwhichghasgagdiametergofgaboutgone
.Despitegthegdiversity,gcellsgresemblegeachgothergtogangastonishinggdegreegingtheirgchemistry.gFor
gexample,gthegsameg20 aregusedgtogmakegproteins.
Similarly,gtheggeneticginformationgofgallgcellsgisgstoredgingtheir .gAlthough
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, containgthegsamegtypesgofgmoleculesgasgcells,gtheirginabilitygtogreprodu
cegthemselvesgbygtheirgowngeffortsgmeansgthatgtheygaregnotgconsideredglivinggmatter.
aminogacidsgmicrometer(s)g viruses
DNAg millimeter(s)g yeast
fattygacidsgplants
meterg plasmagmembranes
1-4 Howgdoesgcellulargspecializationgservegmulticellulargorganismsgandghowgmightgaghigh
degreegofgspecializationgbegdetrimental?
1-5 Thegflowgofggeneticginformationgisgcontrolledgbygagseriesgofgbiochemicalgreactionsgthat
DownloadedgbygMohamedgJabbahg(
m)
g g g g g g g g
NursinggCaregofgthegChildg(AlabamagStategUniversity)
Studocugisgnotgsponsoredgorgendorsedgbyganygcollegegorguniversity
DownloadedgbygMohamedgJabbahg(
,DownloadedgbygMohamedgJabbahg(
m)
, Chapterg1:gCELLS:gTHEgFUNDAMENTALgUNITSgOFgLIFE
UnitygandgDiversitygofgCells
1-1 Livinggsystemsgaregincrediblygdiversegingsize,gshape,genvironment,gandgbehavior.gItgisgestimatedgthatgthe
regaregbetweeng10gmilliongandg100gmilliongdifferentgspecies.gDespitegthisgwidegvarietygofgorganisms,git
gremainsgdifficultgtogdefinegwhatgitgmeansgtogsaygsomethinggisgalive.gWhichgofgthegfollowinggcangbegde
scribedgasgthegsmallestglivinggunit?
(a) DNA
(b) cell
(c) organelle
(d) protein
1-2 Indicategwhethergthegfollowinggstatementsgaregtruegorgfalse.gIfgthegstatementgisgfalse,gexplaingwhygi
tgisgfalse.
A. ThegParameciumgisgagmulticellulargmicroorganismgcoveredgwithghair-likegcilia.
B. Cellsgofgdifferentgtypesgcanghavegdifferentgchemicalgrequirements.
C. Thegbranchlikegextensionsgthatgsproutgfromgagsinglegnervegcellgingagmammaliangbraingcangextendgo
vergseveralghundredgmicrometers.
1-3 Forgeachgofgthegfollowinggsentences,gfillgingthegblanksgwithgthegbestgwordgorgphrasegselectedgfromgtheg
listgbelow.gNotgallgwordsgorgphrasesgwillgbegused;geachgwordgorgphrasegshouldgbegusedgonlygonce.
Cellsgcangbegverygdiverse:gsuperficially,gtheygcomegingvariousgsizes,granginggfromgbacterialgcellsgsuchgasg
Lactobacillus,gwhichgisgagfew
inglength,gtoglargergcellsgsuchgasgagfrog’sgegg,gwhichghasgagdiametergofgaboutgone
.Despitegthegdiversity,gcellsgresemblegeachgothergtogangastonishinggdegreegingtheirgchemistry.gFor
gexample,gthegsameg20 aregusedgtogmakegproteins.
Similarly,gtheggeneticginformationgofgallgcellsgisgstoredgingtheir .gAlthough
DownloadedgbygMohamedgJabbahg(
m)
, containgthegsamegtypesgofgmoleculesgasgcells,gtheirginabilitygtogreprodu
cegthemselvesgbygtheirgowngeffortsgmeansgthatgtheygaregnotgconsideredglivinggmatter.
aminogacidsgmicrometer(s)g viruses
DNAg millimeter(s)g yeast
fattygacidsgplants
meterg plasmagmembranes
1-4 Howgdoesgcellulargspecializationgservegmulticellulargorganismsgandghowgmightgaghigh
degreegofgspecializationgbegdetrimental?
1-5 Thegflowgofggeneticginformationgisgcontrolledgbygagseriesgofgbiochemicalgreactionsgthat
DownloadedgbygMohamedgJabbahg(
m)
