
Exploring DNA Replication Mechanisms
Interactive Video
•
Biology
•
6th - 10th Grade
•
Medium

Olivia Brooks
Used 11+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the components of a nucleotide in DNA?
Sugar, phosphate group, nitrogenous base
Protein, sugar, nitrogenous base
Lipid, phosphate group, nitrogenous base
Carbohydrate, sugar, nitrogenous base
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many pairs of chromosomes are present in each human cell?
22 pairs
23 pairs
25 pairs
24 pairs
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is responsible for unwinding the DNA double helix?
Primase
Ligase
Helicase
Topoisomerase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of primase in DNA replication?
Annealing an RNA primer
Adding nucleotides to the new strand
Joining Okazaki fragments
Unwinding the DNA helix
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme adds nucleotides to the new DNA strand?
Helicase
DNA polymerase III
Ligase
Topoisomerase
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction does DNA polymerase add nucleotides?
Random direction
Both directions
3' to 5' direction
5' to 3' direction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are Okazaki fragments?
Short DNA sequences on the lagging strand
Short RNA sequences on the lagging strand
Short DNA sequences on the leading strand
Short RNA sequences on the leading strand
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