
Exploring Gene Regulation and DNA Replication

Interactive Video
•
Science
•
6th - 10th Grade
•
Hard
Standards-aligned

Emma Peterson
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During which phase of the cell cycle does DNA replication occur?
M phase
G2 phase
S phase
G1 phase
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What provides the energy for adding new nucleotides during DNA replication?
Release of two phosphate groups
Hydrolysis of water
GTP
ATP
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction does DNA synthesis occur?
Random direction
Both directions simultaneously
5' to 3'
3' to 5'
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is responsible for adding new nucleotides to a growing DNA strand?
DNA polymerase
Ligase
Primase
Helicase
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the base pairing rules in DNA?
A pairs with C, T pairs with G
A pairs with T, C pairs with G
A pairs with T, G pairs with U
A pairs with G, T pairs with C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme unzips the DNA double helix during replication?
Topoisomerase
Helicase
Primase
Ligase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of topoisomerase in DNA replication?
Preventing supercoiling
Unzipping the DNA strand
Sealing gaps between Okazaki fragments
Adding nucleotides
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