Khan Academy - Leading and Lagging Quiz
Authored by Michele Schaffer
Biology
9th - 10th Grade
Used 154+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The leading strand adds base pairs toward
the replication fork in the 3' to 5' direction.
the replication fork in the 5' to 3' direction.
the origin of replication in the 3' to 5' direction.
the origin of replication in the 5' to 3' direction.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme breaks the hydrogen bonds between the nitrogen bases?
DNA polymerase
DNA helicase
DNA topoisomerase
DNA primase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which DNA enzyme seals small gaps to finish DNA replication?
DNA helicase
DNA polymerase
DNA primase
DNA ligase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The lagging strand adds bases in the
3' to 5' direction.
5' to 3' direction.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which DNA enzyme adds new nucleotides to the DNA sequence?
DNA ligase
DNA polymerase
DNA primase
DNA topoisomerase
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