U prirodi postoje dvije vrste nukleinskih kiselina dezoksiribonukleinska kiselina (DNK) i ribonukleinska kiselina (RNK).
Replikacija

Quiz
•
Biology
•
10th - 11th Grade
•
Medium
Jelena Rakojevic
Used 14+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
tačno
netačno
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Osnovna jedinica jedinice DNK je nukleotid. Nukleotid se sastoji od jedne azotne baze molekula, jedne fosfatne grupe i jednog molekula
pentoznog šećera, riboze
pentoznog šećera, dezoksiriboze
heksoznog šećera, galaktoze
heksoznog šećera, glukoze
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
DNK je dugačak polimer, sastavljen od manjih jedinica koje se nazivaju nukleotidi. Purinske baze u nukleotidu su:
citozin i uracil
timin i citozin
adenin i guanin
uracil i timin
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Pirimidinske baze u molekulu DNK su:
adenin i guanin
citozin i timin
guanin i citozin
uracil i timin
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
DNK ima dva lanca koji su postavljeni naspramno i povezani međusobno vodoničnim vezama preko komplementarnih baza.
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6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ako je redosled nukleotida u jednom lancu DNK: CCTAGCAATGCTA, koji je redosled u njemu naspramnom lancu?
CCATCGTTAGCTA
GGACGTTCGATTC
GGATCGTTACGAT
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Većina DNK molekula se sastoji od dva polimerna lanca, spojena u heliksnu strukturu nekovalentnim vezama.
tačno
netačno
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