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Retired NBME 20 Answers

nbme20/Block 1/Question#11 (reveal difficulty score)
The sequence surrounding the first two exons ...
Disruption of normal splicing by creation of a new 3′ splice site 🔍 / 📺 / 🌳 / 📖
tags: biochem dna repeat

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 +20  upvote downvote
submitted by drdoom(1206)
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sA drebedcis ni het noqtusie tsem, stih mttuaoin sruocc inhwti an nronti a( gene eemntgs hcwih si tasbenrdric A]D;NAR-&[Ntg ubt nto lstaa.n)erdt RAN cpslniig se(ney)mz rbga ANR dna “lopo i;t” na nonrti is utc tou nad the nsexo on erteih iesd of the otrinn aer e,jdnioda elik thi:s

nexn1nrn—oieoxo2—t =tg&; —oeoe12nxnx

lpliyTay,c htsi incsiplg rcucso at the veyr gesed of the onirnt (ahtw I deneotd hitw eth —“” a)rce.hcrta tuB in uor s,ace a animutto ithwni eht otirnn is naiuscg NAR cnpisigl zeyenm to izeenrocg a nwe s:iet hte prescil ctus wtiinh eth rntnoi e(dsanit of at hte yrve eged, sa ti u.sohdl) ,So we tge igohetsmn ttah oslok ilke sih:t

o—enxeno—12nirtx

tsa’Th a olylatt dfertefni RANm meuolc,le nad t'is ogngi to emak oru nolβg-ib eptrnio ookl dan( hbeav)e wulayfl rags.ent

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drdanielr  I eberemrm htat in teh ,A-rNRmpe the cgiipnls tiess fo het iontnr erhwe het cpoleesisom hceatsta are sdrnordueu yb "-"GU-GA- keil "agc"u, os eehr eht uooghmolos DAN ot siht ndrast oduwl eb ctndirrbeas into "...g.ug"....a.......... dan iths odulw erteca a 3' cslei seti oto onso +7
vivarin  fi thsi is dpsosuep ot be p-A,eNmrR ywh are rheet 'sT in hte nuee?qcse I'm os docsnuef yb sith rof esmo ersona +8
sars  ishT si het geen DN,A)( ont gtoneuoserhe RN.Am +
athenathefirst  eTh btsgige elcu tyhe disa hits is B esaiasm,htla hwich eevn fi oyu 'tnidd nowk nanyghti ubato seoxn dan nonrits oyu hulods veha kwnon htta b satimalehas vlnivseo a otiumtna ni sicnpgil ro romoerpt ties oapamt(h page .4)4 I ogt tsih sonetuiq rongw too :( +1

Translocation may result in failure to transcribe RNA because of disruption of a regulatory element (eg, promoter) within a gene.

The affected gene will not be expressed or will be expressed in a dysregulated manner compared to the normal phenotype



 +5  upvote downvote
submitted by monoloco(155)
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This ahs to od wthi rtinno sicnip.gl embeRerm .GTAG sihT ttmuaion ddeiucn na AG ocsler eherw it asw sepsdoup ot ,eb os mose fo tath rnoitn tsju eecbma na n.eox

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 +4  upvote downvote
submitted by waterloo(126)
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I enrirtetdpe "suenecqe inrdruosung firts wot xsoen of "ngee - to enam yeth mstu eb ngialkt oabut i.tronns Tehre fo het raeswn ocehcsi 'nodt heav umhc ot od ihwt nntis.ro

  • sssneime aomiuntt uowld aevh ot eb in eth onxe to asuec cghena in imaon .aidc
  • npooidlynylaaet si ta hte den fo the ARNm
  • bithininoi fo ietralnoipc si ADN

htta amy tno be ari ig,tth tub ehpls raronw wd.on Aols nkniwgo semo aasilmeha-tsB is ued to snvratia ni maoablnr iipcsnlg lep.sh F(A 9012 pg 34)

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 +1  upvote downvote
submitted by s1khwitit(1)
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olsa emrberem that a-salematBhsi si edu to ontip mttosnaiu ni ilcpes istse nda mprorteo enceuseqs F(9A1 1)40gp. If yuo ectare a taonimut in a siepcl iest uyo lliw rylues sesm pu the crctoer ANmR nedede to ekam a otlnnciauf o-Bbignl iepornt. tTah si ohw I rnaseewd het tseu.oiqn

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