
RNA interferenca
Quiz
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Other
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University
•
Practice Problem
•
Hard
Hannah K.B.
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaj je ključno pri RNA interferenci?
Delovanje kodirajočih RNA, ki vplivajo na aktivacijo genov.
Delovanje nekodirajočih RNA, ki vplivajo na utišanje izražanja genov.
Delovanje nekodirajočih RNA, ki vplivajo na aktivacijo genov.
Nič od naštetega ne vpliva na interferenco.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kako majhne nekodirajoče RNA vplivajo na uravnavanje izražanja genov?
Visoko specifična miRNA z vezavo povzroča razgradnjo mRNA.
Visoko specifična siRNA z vezavo povzroča razgradnjo mRNA
miRNA navadno s svojimi zadnjimi 8 nukleotidi cilja na 3' - UTR regije mRNA in ne povzroča razgradnje mRNA.
siRNA je le delno komplementarna in povzroča destabilizacijo mRNA
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kaj sta poleg razlike v stopnji komplementarnosti s tarčno mRNA še razliki med siRNA in miRNA?
Navadno siRNA utiša lokus na podlagi katerega je bila sintetizirana, miRNA pa ne utiša svojega izvornega lokusa.
Navadno miRNA utiša lokus na podlagi katerega je bila sintetizirana, siRNA pa ne utiša svojega izvornega lokusa.
miRNA povzroča zaviranje transkripcije mRNA, siRNA pa povzroči razgradnjo mRNA.
siRNA povzroča zaviranje transkripcije mRNA, miRNA pa povzroči razgradnjo mRNA.
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
RNA interferenca je bila prvotno prepoznana kot...
...kot zaščita pred virusnimi okužbami in transpozoni.
...kot zaščita pred parazitskimi zaporedji nukleotidov.
...kot zaščita pred bakterijskimi okužbami.
...kot nepomemben del transkripcije beljakovin.
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
miRNA delujejo...
...kot biološki označevalci in terapevtske tarče.
...kot onkogeni in tumorski supresorji.
...kot jedrni prenašalci beljakovin.
...pri uravnavanju osteogeneze.
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