Test Bank for Genetics and Genomics in Nursing and Health Care 2nd Edition by Beery - Ch. 1-20, 9780803660830, with Rationales 2

Test Bank: Genetics and Genomics in Nursing and Health Care 2n
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d Edition by Beery - Ch. 1-20, 9780803660830, with Rationales
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Whatcmustcoccurcforcancorganismctocpasscitscgeneticcinformationconctocitscoffspring?
A.cThecparentalcchromosomecmustcbecgivenctocthecoffspring.
B.cThecparentcmustccopycitscowncDNAcandcprovidecaccopyctocitscoffspring.c
C.cAcnovelcDNAcchromosomecmustcbecmadecbycthecparentccellcandcgivenctocitscoffspring.
D.cThechostcchromosomecmustcbecdegraded.c-cANSWER:cB

ThecprocesscofccopyingcDNAcpriorctoccellcreplicationciscknowncasc_____________.
A.cRNAcreplication.
B.cDNAcsynthesis.
C.cDNAcreplication.
D.cDNActranslation.
E.cDNActranscription.c-cANSWER:cC

Whatciscmeantcbycsemiconservativecreplication?
A.cBothcthecnewcDNAcmoleculescarecmadecupcofcnewcDNA.
B.cBothcthecDNAc&cparentalcDNAcremaincconnectedcduringc
cDNAcreplication.

C.cThecnewlycmadecDNAcstrandciscmadecentirelycofcnewc
cDNA,cwhilecthecparentalcDNAciscconserved.

D.cThecnewccopiescofcDNAccontainconecoriginalcstrandcofcDNAcandconecnewcstrandcofcDNA.c-
cANSWER:cD



WhatcservescascthectemplatecforcDNAcreplication?
A.ceachcofcthecoriginalcDNAcstrands
B.cproteinscthatcarecassociatedcwithcDNAcreplication
C.cthecnewcDNAcstrands
D.cRNAcfromctheccellc-cANSWER:cA

WhatciscthecrolecofcDNAchelicasecincDNAcreplication?
A.cDNAchelicasecstabilizescthecsinglecstrandscofcDNAcduringcreplication.
B.cDNAchelicasecsynthesizescnewcstrandscofcDNA.
C.cDNAchelicasecusescthecenergycfromcATPctocbreakcthechydrogencbondscbetweenctwocDNAcstrands,cthe
rebyc"unzipping"cthecmolecule.
D.cDNAcusescDNActocgetcenergycfromcATP.c-cANSWER:cC

Thecreplicationcforkc__________________.
A.cIscthecpointcwherecstabilizingcproteinscbindcthecsinglecstrandscofcDNA.
B.ciscthecpointcwherecDNAchelicasecisc"unzipping"cthecdouble-strandedcDNAcmolecule.
C.ciscwhatcresultscifcthecDNAcstrandscbeginctocdegrade.
D.ciscanotherctermcforcDNAcreplication.c-cANSWER:cB

Whatciscthecfunctioncofcstabilizingcproteins?
A.cTheycformcthecreplicationcfork.
B.cTheycsynthesizecnewcstrandscofcDNA.
C.cTheycusecATPctocbreakcthechydrogencbondscbetweencthecstrandscofcDNA.
D.cTheycholdcthecseparatedcstrandscapartcandcpreventctheircdegredation.c-cANSWER:cD

Thecreplicationcforkcmovesc___________.
A.ctowardcthecstabilizingcproteins.
B.cawaycfromcthecdirectioncofcnewlycsynthesizedcDNA.
C.coppositecthecdirectioncofcthecDNAchelicase.

,D.caheadcofcthecnewlycsynthesizedcDNA.c-cANSWER:cD

Whichcenzyme(s)ccancsynthesizecnewcstrandscofcDNA?
A.cprimase
B.cDNAcpolymerase
C.cligase
D.c#1candc#2
E.callcofcthecabovec-cANSWER:cB

WhyciscprimasecessentialcforcDNAcreplication?
A.cItcprovidescthecRNActhatciscancessentialcpartcofcthecnewlyccopiedcchromosome.
B.cItcremovescthecRNAcleftcfromcthecDNAcreplicationcprocess.
C.cItcprovidescac3'cendcofcthecnewlycsynthesizedcstrand,callowingcDNAcpolymerasectocbeginccopyingcDN
A.
D.cItcrepairscthecgapscbetweencDNAcfragmentscduringclaggingcstrandcsynthesis.c-cANSWER:cC

DNAcsynthesiscoccurscincwhichcdirection?
A.cFromc5'ctoc3'conctheclaggingcstrandcandc3'ctoc5'concthecleadingcstrand.
B.cFromc3'ctoc5'concbothcthecleadingcandclaggingcstrands.
C.cFromc5'ctoc3'concthecleadingcstrandcandc3'ctoc5'conctheclaggingcstrand.
D.cFromc5'ctoc3'concbothcthecleadingcandclaggingcstrands.c-cANSWER:cB

HowcdoescthecDNAcpolymerasecknowcwhichcnucleotidectriphosphatectocaddctocthecgrowingcstrand?
A.cItcdoescnot;citciscacrandomcprocesscthatcresultscincgeneticcdiversitycforcthecoffspring.
B.cItchydrogen-
bondscthecnucleotidectocthecparentalcstrand,cpairingcadeninesctocthyminescandcguaninesctoccytosines.
C.cItchydrogen-
bondscthecnucleotidectocthecparentalcstrand,cpairingcadeninesctoccytosinescandcguaninesctocthymines.
D.cItchydrogen-
bondscthecnucleotidectocthecRNAcprimercmadecbycprimase,cpairingcadeninesctocthyminescandcguaninesc
toccytosines.c-cANSWER:cB

WhatcmightchappencifctheccellcdoescnotchavecRNAse?
A.cDNAcpolymerasecwouldcnotchavecac3'ctocbegincDNAcsynthesis.
B.cThecnewlycmadecchromosomecwouldcconsistcofcDNAcandcRNAcmolecules.
C.cTherecwouldcbecgapscofcmissingcDNActhroughoutcthecnewlycsynthesizedcDNA.
D.cThechydrogencbondingcbetweencthecDNAcstrandscwouldcallcbecbroken.c-cANSWER:cB

WhichcofcthecfollowingcstatementscconcerningcDNAcreplicationcisctrue?
A.cThecleadingcstrandcofcDNAcreplicationcrequiresconlyconecRNAcprimer.
B.cTheclaggingcstrandcofcDNAcreplicationcrequirescmultiplecRNAcprimers.
C.cTheclaggingcstrandcofcDNAcreplicationcrequiresconlyconecRNAcprimer.
D.cThecleadingcstrandcofcDNAcreplicationcdoescnotcrequirecancRNAcprimer.c-cANSWER:cA,cB

Whatciscthecfunctioncofcthecconnectorcproteins?
A.cTheycallowcDNAcsynthesisctococcurcfromcthec3'ctoc5'cdirection.
B.cTheycenableconecparentalcDNAcstrandcandconecnewlycsynthesizedcDNAcstrandctocbecheldctogether.
C.cTheycproducecthecOkazakicfragments.
D.cTheyclinkcthecleadingcstrandcDNAcpolymerasecandctheclaggingcstrandcDNAcpolymerasectogether.c-
cANSWER:cD



WhichcofcthecfollowingcstatementscregardingcOkazakicfragmentscarectrue?
A.cTheycarecfoundconcthecleadingcstrandcofcDNAcreplication.
B.cTheycareccomposedcofcRNA.
C.cTheycarecfoundconctheclaggingcstrandcofcDNAcreplication.
D.cTheycarectypicallyc1000cnucleotidescinclength.c-cANSWER:cc,cd

, PlacecthecfollowingceventscofclaggingcstrandcDNAcsynthesiscincorder:c(1)cDNAcpolymerasecsynthesizescn
ewcDNAcstrandcincthec3'ctoc5'cdirection.c(2)cPrimasecaddscancRNAcprimer.c(3)cOkazakicfragmentscarecjoin
edctogether.c(4)cRNAsecremovescthecRNAcprimer.
A.c2,c1,c3,c4
B.c1,c2,c3,c4
C.c1,c2,c4,c3
D.c2,c1,c4,c3c-cANSWER:cD

Whichcofcthecfollowingciscacproductcofctranscription?
(A)cmRNA
(B)crRNA
(C)ctRNA
(D)callcofcthecabove
(E)cnonecofcthecabovec-cANSWER:cA

Thecrolecofctranscriptioncisc___________________.
(A)ctoccopycDNAcpriorctoccellcdivision.
(B)ctoccopycthecinformationcstoredcincDNAcintocRNA.
(C)ctocassemblecaminocacidscintocproteins.
(D)ctocpasscgeneticcinformationcfromconeccellctocanother.c-cANSWER:cB

Whichcofcthecfollowingciscusedctocmakecribosomes?
a.cmRNA
b.crRNA
c.ctRNAc-cANSWER:cB

Whichcofcthecfollowingciscinvolvedcincbringingcaminocacidsctocthecribosomes?
a.cmRNA
b.crRNA
c.ctRNAc-cANSWER:cC

WhichcofcthecfollowingcisctheccopycofcacDNAcsequencecusedctocmakecprotein?
a.cmRNA
b.crRNA
c.ctRNAc-cANSWER:cA

whatciscacgene?c-cANSWER:careacofcthecchromosomecthatccodescforcsomething

whatciscthecgenome?c-cANSWER:ceverythingcincthecentirecchromosome

thisciscallcofcthecnucleiccacids,cincludingcconnectingcnucleiccacidsc(introns)c-cANSWER:cgenome

thisciscacspecificcregioncofcDNActhatccodescforcproteinscorcRNAc-cANSWER:cgene

thisciscthecphysicalcexpressioncofcthecgenomec-cANSWER:cphenotype

ProkaryoticcDNAc:c
(A)carecCircularc
(B)carecLinearc
(C)chavechistonesc
(D)cHavecnuclearcboundcmembranec
(E)cUsu.cDiploidc(hasc2ccopies)c-cANSWER:cA

ProkaryoticcDNAc:c
(A)chavechistones
(B)carecLinearc
(C)cHavecnuclearcboundcmembrane