DNA Replication: Practice Quiz
1. State which phase of the cell cycle DNA replication occurs.
2. What is the function of DNA replication?
I.
Copy all of the DNA in chromosomes so each daughter
cell made through mitosis has a full set of DNA
II.
Create long strands of DNA
III.
Copy DNA in a 3’ to 5’ direction
a. I
b. I, II
c. III
d. I, II, III
3. Okazaki fragments
a. Are formed in the leading strand
b. Are formed in the lagging strand
c. Remove the primer
d. Add nucleotides to the elongating DNA
4. Which is not a requirement for DNA replication?
a. dNTP
b. Primer
c. Template
d. ATP
e. None of the above
5. Which of the following is the end produce of DNA replication in a
human somatic cell?
a. 23 chromosomes
b. 46 chromosomes
c. 23 pairs of chromosomes
d. 23 pairs of sister chromatids
6. What is the complementary strand of the following RNA strand:
5' GCACGUUUACCGA 3'?
a. 3' AUGCGUUUACCGA 3'
b. 3' TACGCAAATGGCT 5'
c. 3' CGUGCAAUGGCU 5'
d. 3' AGCCAUUUGCGUA 5’
e. None of the above
Match the following enzymes with their functions in DNA replication
7. DNA Helicase
8. DNA Polymerase III
9. RNA Primase
10. DNA Polymerase I
11. DNA Ligase
A. Puts Okazaki fragments
together.
B. Unzips and unwinds the
DNA double helix and
breaks the hydrogen bods
that connect the nitrogenous
bases.
C. Leaves RNA Primase on the
lag strand.
D. Attaches Nucleotides in a 5’
to 3’ direction.
E. Removes RNA primers.
12. Compare and contrast the leading strand with the lagging strand.
13. During the process of DNA replication, Adenine can only pair with
Cytosine.
T
F