
XII D
Authored by Emilia Radu
Biology
7th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nucleotidul ADN, nu conține:
adenină
timină
uracil
citozină
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Structura chimică a acizilor nucleici a fost descoperită de:
Wattson
Cricw
Wilkins
toți
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Denaturarea:
este o proprietate a ADN
Începe la 80 0
constă în ruperea punților de H dintre cele două catene
toate sunt corecte
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Catenele ADN:
sunt antiparalele
sunt complementare
sunt unite prin legături de H
toate sunt corecte
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ARNm
are lungimi variabile
este activ în nucleu
este sintetizat în citoplasmă
are rol în transferul aminoacizilor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In funcție de cantitatea de material genetic afectată, mutațiile pot fii:
autozomale
genomice
dominante
heterozomale
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Transcripția: la eucariote:
este a doua etapă a sintezei proteinelor
se realizează în citoplasmă
constă în copierea unei porțiuni a unei catene ADN la un ARN premesager care este maturat
este parte a funcției autocatalitice a ADN
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