Steps of DNA Replication Explained
Interactive Video
•
Science
•
6th - 10th Grade
•
Practice Problem
•
Hard
Emma Peterson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of DNA helicase during DNA replication?
To unwind the double helix
To join Okazaki fragments
To stabilize single-stranded DNA
To synthesize new DNA strands
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are single-stranded binding proteins (SSBs) important in DNA replication?
They unwind the double helix
They join Okazaki fragments
They synthesize RNA primers
They prevent the separated DNA strands from re-annealing
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of RNA primers in DNA replication?
To join Okazaki fragments
To provide a starting point for DNA polymerase
To stabilize single-stranded DNA
To unwind the DNA double helix
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction does DNA polymerase read the template strand?
5' to 3'
3' to 5'
5' to 5'
3' to 3'
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between the leading and lagging strands during DNA replication?
The leading strand is synthesized in fragments, while the lagging strand is synthesized continuously
Both strands are synthesized in fragments
The leading strand is synthesized continuously, while the lagging strand is synthesized in fragments
Both strands are synthesized continuously
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are Okazaki fragments?
Segments of DNA synthesized on the lagging strand
Enzymes involved in DNA replication
Short RNA primers
Segments of DNA synthesized on the leading strand
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of RNAse H (or DNA polymerase I) in DNA replication?
To synthesize new DNA strands
To remove RNA primers
To unwind the double helix
To stabilize single-stranded DNA
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