
DNA Replication Proofreading Concepts
Interactive Video
•
Biology
•
10th - 12th 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 function of DNA polymerase during replication?
To degrade proteins
To replicate DNA strands
To synthesize lipids
To synthesize RNA strands
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the proofreading activity of DNA polymerase compare to a proofreader in printing?
Both work at a constant speed
Both delete entire sections
Both add new information
Both correct errors to ensure accuracy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when DNA polymerase incorporates an incorrect nucleotide?
The polymerase speeds up
The DNA strand is immediately discarded
The error is ignored
The polymerase slows down and corrects the error
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does DNA polymerase slow down when a wrong nucleotide is added?
To increase the rate of polymerization
To prevent further errors
To allow exonucleolytic activity to catch up
To stop the replication process
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the race between polymerization and exonucleolytic activity?
The balance determines the accuracy of DNA replication
Exonucleolytic activity always wins
Polymerization always wins
Neither affects DNA replication
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the consequence of errors during DNA replication?
They have no effect
They lead to accurate protein synthesis
They can cause mutations
They speed up the replication process
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does proofreading prevent mutations?
By changing the DNA sequence
By stopping replication
By removing incorrect nucleotides
By adding more nucleotides
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