scienze
Quiz
•
Science
•
3rd Grade
•
Medium

Nicoletta Ottaviano
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un nucleoside è costituito da
un gruppo fosfato e una base azotata.
uno zucchero pentoso, un gruppo fosfato e una base azotata.
uno zucchero pentoso e una base azotata.
uno zucchero pentoso e un gruppo fosfato.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In tutti i tipi di cellule, c’è (ci sono) almeno ____ tipo(i) di molecole di RNA.
3
1
2
0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cos’è presente nell’RNA, ma non nel DNA?
Citosina.
Fosfato
Adenina
Ribosio.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale dei seguenti è un appaiamento di basi presente nel DNA?
T-C.
A-U.
A-T.
G-T.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come si legano le seguenti basi azotate: A,C,T,G?
AC-TG
TC-AG
GA-TC
AT-CG
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le varie basi azotate sono collegate da che topo di legame?
legame ionico
legame covalente
legami a idrogeno
forze di Van der Waals
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
in totale le triplette sono...?
20
64
3
46
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