by alex
Dive into the fascinating world of DNA replication, where the blueprint of life is meticulously copied to ensure genetic continuity. This quiz will test your grasp on the essential enzymes, processes, and principles that govern this critical biological phenomenon. Ready to put your knowledge to the test? Let’s get started!
DNA Replication Quiz Questions Overview
1. Which enzyme is primarily responsible for unwinding the DNA double helix during replication?
DNA polymerase
Helicase
Ligase
Primase
2. What is the role of DNA polymerase in DNA replication?
Unwinding the DNA
Adding RNA primers
Joining Okazaki fragments
Synthesizing new DNA strands
3. Which of the following is NOT a part of the DNA replication process?
Initiation
Elongation
Termination
Transcription
4. What is the function of primase in DNA replication?
Synthesizing DNA
Unwinding DNA
Joining DNA fragments
Synthesizing RNA primers
5. In which direction does DNA polymerase synthesize the new DNA strand?
3′ to 5′
5′ to 3′
Randomly
Both directions
6. What are Okazaki fragments?
Short RNA primers
Short DNA sequences synthesized on the lagging strand
Proteins involved in replication
Enzymes that repair DNA
7. Which enzyme is responsible for joining Okazaki fragments together?
Helicase
Primase
Ligase
Topoisomerase
8. What is the origin of replication?
The end of a chromosome
A specific sequence where replication begins
The middle of a gene
A random location on the DNA
9. Which strand is synthesized continuously during DNA replication?
Leading strand
Lagging strand
Both strands
Neither strand
10. What is the function of topoisomerase in DNA replication?
Synthesizing new DNA
Preventing supercoiling
Unwinding DNA
Joining DNA fragments
