WGU 785 Final Exam Latest 2025 With Complete Solution

WGU785
FinalExam
Latest2025
Q&A

,WGU 785 Final Exam Latest 2025 With
Complete Solution

HemophiliaLPedigreeL-
LFatherLhasLhemophilia,LmotherLdoesLnot.LWhatLisLtheLoutcomeLforLtheirLkids?

CorrectLanswer-LHisLdaughtersLwouldLbeLcarriers.LThisLisLx-linkLrecessive.

Autosomal:
Dominant:
CorrectLanswer-
LAutosomal:LmalesLandLfemalesLequallyLaffected.LDominant:Lnon-

carrierLparents

polymeraseLchainLreactionL(PCR)
CorrectLanswer-
LTheLprocessLofLcopyingLDNALinLtheLlab.LUsesLTemplateLDNA,LNucleotidesL(dNTPS),LDN

ALPolymerase,LandLDNALprimers.

3LStepsLofLPCR
CorrectLanswer-L1.LDenaturation:LDNALisLheatedLtoL95CLtoLseparateLit.
2. Annealing:LreactionLisLcooledLtoL50C;LprimersLstickLtoLtheLDNALyouLwantLtoLcopyLandLa
ddLDNALpolymerase.
3. Elongation:LreactionLheatedLtoL70CLandLDNALpolymerase,LaddingLnucleotidesLbuildingL
aLnewLDNALstrand.

BaseLExcisionLRepairL(BER)
CorrectLanswer-
LHowLyouLrepairLaLmutation.LBERLisLusedLtoLrepairLdamageLtoLaLbaseLcausedLbyLharmfulLmol

ecules.LYouLremoveLtheLbaseLthatLisLdamagedLandLreplaceLit.
*BERLremovesLaLsingleLnucleotide*
DNALglycolsylaseL-LseesLdamagedLDNALandLremovesLit.
DNALpolymerase-putsLtheLrightLoneLbackLinLwhileLDNALligaseLsealsLit.

MismatchLrepairL(MMR)LoccursLduring:
CorrectLanswer-
Lreplication.LDNALpolymeraseLproofreadsLbutLsometimesLaLmismatchLpairLgetsLthrough.L

MMRLremovesLaLlargeLsectionLofLtheLnucleotidesLfromLtheLnewLDNALandLDNALpolymeras
eLtriesLagain.L(Ex:LC-TLinsteadLofLC-A)

MismatchLRepairLcorrectsLwhatLkindLofLDNALdamage?
CorrectLanswer-LWhenLaLbaseLisLmismatchedLdueLtoLerrorsLinLreplication.LSuchLasLG-
TLinsteadLofLG-C.LDNALpolymeraseLcomesLbyLandLfixesLit.

WhatLhappensLwhenLDNALpolymeraseLbindsLtoLDNALtoLmakeLRNA?

, CorrectLanswer-
LTRANSCRIPTION!LDNALpolymeraseLtakesLtheLindividualLnucleotidesLandLmatchesLthemL

toLtheLparentalLsequencesLtoLensureLaLcorrectLpair.LItLmustLbindLwithLRNALprimerLtoLwork.

WhatLisLneededLforLDNALreplication?L
CorrectLanswer-LDNALpolymerase

NonsenseLMutation

CorrectLanswer-
LChangeLinL1LnucleotideLproducesLaLSTOPLcodonLStop=LnonsenseLbecauseLitLisLnoLmore.




SilentLMutation
CorrectLanswer-
LChangeLinL1LnucleotideLbutLcodesLforLtheLsameLaminoLacid.LSilent=LtheLchangeLdoesn'tLcha

ngeLtheLnameLofLtheLprotein

MissenseLMutation
CorrectLanswer-
LChangeLinL1LnucleotideLleadsLtoLaLcodeLforLaLdifferentLaminoLacid.LMissenseL=LmistakeLwasL

made.

WhatLhappendsLduringLRNALsplicing?
CorrectLanswer-
LDuringLRNALsplicingLintronsLareLcutLout,LtheLremainingLexonsLareLjoinedLtogether.




5'ATGLAGTLCTCLTCTL3'
FindLtheLDNALtemplateLstrand.
CorrectLanswer-L3'TACLTCALGAGLAGAL5'
TheLDNALtemplateLstrandLisLcomplimentary.LSoLstartLwithLtheLoppositeLnumber,LthenLgoL
L-RLwithLtheLcomplimentaryLletter.

5'ATGLAGTLCTCLTCTL3'
WhatLisLtheLcorresondingLmRNALsequence?LCor
rectLanswer-L5'AUGLAGULCUCLUCUL3'
ThisLsequenceLisLtheLsameLasLtheLcodingLstrandLexceptLTLchangesLtoLULbecauseLitLisLRN
A.LRNALdoesn'tLhaveLT.

HowLwouldLaLmutationLfromLCTCLtoLATCLaffectLtheLproteinLsequence?L(CTC/ATCL-
LcodingLstrand,LAUCL-LmRNALstrand)

CorrectLanswer-
LThisLwillLmakeLaLmissenseLmutationLbecauseLitLchangesLtheLnameLofLtheLprotein.L(lookLat

LtheLchartLprovided.)LmissenseL=Lmistake




DNALreplicationLprocess
CorrectLanswer-LDNAL->TranscriptionL->LRNAL->LTranslationL->LPolypeptide

DescribeLhowLyouLwouldLfindLwhatLionizedLAlanineLlooksLlike.