
DNA Replication Concepts and Processes
Interactive Video
•
Biology, Science, Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of DNA replication?
To copy DNA for cell division
To create proteins
To produce RNA
To repair damaged DNA
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is responsible for unzipping the DNA double helix?
Ligase
Helicase
Primase
DNA polymerase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do single-stranded binding proteins (SSB) play in DNA replication?
They prevent DNA supercoiling
They synthesize new DNA strands
They remove RNA primers
They keep the DNA strands separated
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of primase during DNA replication?
To unzip the DNA helix
To synthesize RNA primers
To join Okazaki fragments
To prevent DNA supercoiling
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction does DNA polymerase III synthesize new DNA strands?
3' to 5'
5' to 3'
Randomly
Both directions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are Okazaki fragments?
Short RNA sequences on the leading strand
Short DNA sequences on the lagging strand
Short RNA sequences on the lagging strand
Short DNA sequences on the leading strand
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the 3' to 5' strand called the leading strand?
It is synthesized last
It is synthesized first
It is synthesized in fragments
It is synthesized continuously
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