
DNA Replication Notes
Passage
•
Science
•
9th Grade
•
Practice Problem
•
Medium
Christian Lewis
Used 13+ times
FREE Resource
8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of DNA polymerase in DNA replication?
It synthesizes new DNA strands by adding nucleotides.
It prevents the DNA strands from rejoining.
It seals the gaps between Okazaki fragments.
It unwinds the DNA double helix.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is responsible for unwinding the DNA double helix?
Topoisomerase
Helicase
Primase
DNA ligase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of primase in DNA replication?
It prevents supercoiling of DNA.
It removes RNA primers.
It adds nucleotides to the growing DNA strand.
It synthesizes RNA primers.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are Okazaki fragments?
Short DNA sequences that prevent DNA from rewinding.
Short DNA sequences synthesized on the leading strand.
Short RNA sequences synthesized by primase.
Short DNA sequences synthesized on the lagging strand.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme replaces RNA primers with DNA?
Topoisomerase
Helicase
DNA polymerase III
DNA polymerase I
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of single-strand binding proteins?
They replace RNA primers with DNA.
They prevent the DNA strands from rejoining.
They unwind the DNA double helix.
They synthesize new DNA strands.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between leading and lagging strands?
Leading strand is synthesized continuously, lagging strand is synthesized in fragments.
Leading strand is synthesized in fragments, lagging strand is synthesized continuously.
Both strands are synthesized continuously.
Both strands are synthesized in fragments.
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