What is the function of DNA Helicase?
DNA Replication Quiz (DOK 1)

Quiz
•
Science
•
10th Grade
•
Medium
Erynn Hayes
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unzips” the strand of DNA
Breaks the hydrogen bonds so that new nucleotides can be added
Bind to separated strands of DNA to keep the strands separate
Creates a strand of RNA nucleotides
DNA nucleotides must be added to something. Primase creates a strand of nucleotides that DNA Polymerase I can add nucleotides to. It is not in the final product.
Removes/replaces the RNA primer. Proofreads new DNA strand.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of single stranded binding proteins?
Unzips” the strand of DNA
Breaks the hydrogen bonds so that new nucleotides can be added
Bind to separated strands of DNA to keep the strands separate
Creates a strand of RNA nucleotides
DNA nucleotides must be added to something. Primase creates a strand of nucleotides that DNA Polymerase I can add nucleotides to. It is not in the final product.
Removes/replaces the RNA primer. Proofreads new DNA strand.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of DNA Primase?
Unzips” the strand of DNA
Breaks the hydrogen bonds so that new nucleotides can be added
Bind to separated strands of DNA to keep the strands separate
Creates a strand of RNA nucleotides
DNA nucleotides must be added to something. Primase creates a strand of nucleotides that DNA Polymerase I can add nucleotides to. It is not in the final product.
Removes/replaces the RNA primer. Proofreads new DNA strand.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of DNA Polymerase I?
Unzips” the strand of DNA
Breaks the hydrogen bonds so that new nucleotides can be added
Bind to separated strands of DNA to keep the strands separate
Creates a strand of RNA nucleotides
DNA nucleotides must be added to something. Primase creates a strand of nucleotides that DNA Polymerase I can add nucleotides to. It is not in the final product.
Removes/replaces the RNA primer. Proofreads new DNA strand.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of DNA Polymerase III?
Removes/replaces the RNA primer. Proofreads new DNA strand.
Adds nucleotides to RNA primer, thus synthesizing a new strand of DNA. Has a “proofreading” role.
Relaxes DNA from super coil so it can be replicated.
Joins fragments of DNA together.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of topoisomerase?
Removes/replaces the RNA primer. Proofreads new DNA strand.
Adds nucleotides to RNA primer, thus synthesizing a new strand of DNA. Has a “proofreading” role.
Relaxes DNA from super coil so it can be replicated.
Joins fragments of DNA together.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of DNA Ligase?
Removes/replaces the RNA primer. Proofreads new DNA strand.
Adds nucleotides to RNA primer, thus synthesizing a new strand of DNA. Has a “proofreading” role.
Relaxes DNA from super coil so it can be replicated.
Joins fragments of DNA together.
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