biologija ponavljanje
Quiz
•
Biology
•
4th Grade
•
Hard
Bogdana Budja
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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polimeri mogu biti izgrađeni od lipide, ugljikohidrate, proteine i nukleinske kiseline
Da
Ne
Samo proteine
Answer explanation
Prirodni polimeri: Uključuju proteine, ugljikohidrate (npr. celuloza, škrob), nukleinske kiseline (DNA i RNA) i lipide
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Nukleinske kiseline su važne za prijenos _________ informacija (nasljednih ili ne nasljednih)
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Nukleotid se djeli na koje dvije baze: ________ i ____________
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Odaberi točnu tvrdnju:
5’ i 3’ atomi se vezuju uz fosfatne skupine
5’ atom se vezuje uz dušičnu skupinu a 3’ atom se vezuje uz fosfatnu skupinu
5’ i 3’ atomi se vezuju uz dušične skupine
5’ atom se vezuje uz fosfatnu skupinu a 3’ atom se vezuje uz dušičnu skupinu
Answer explanation
• 5’ atom ugljika se veže uz fosfatnu skupinu da bi formirao stabilnu vezu koja omogućava polimerizaciju i stvaranje lanca nukleotida.
• 3’ atom ugljika se veže uz dušičnu bazu zbog reaktivnosti hidroksilne grupe, što omogućava pravilno kodiranje genetske informacije i stabilnost strukture.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tko je izradilo snimku molekule DNA metodom difrakcije X-zraka?
Francis Crick
James Watson
Rosalind Franklin
Charles Darwin
Answer explanation
Franklin je izradila snimku molekule DNA metodom difrakcije X-zraka. Uz pomoć te fotografije su britanski fizičar Francis Crick i američki biolog James Watson izradili model koji prikazuje građu molekule DNA
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Kod DNA molekule A se kovalentno vezuje u _ a G u _
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Kod RNA molekula A se kovalentno vezuje u _
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