1.) Name the three parts of a
nucleotide
A. 3 phosphate groups, adenine, sugar
B. Phosphate group, sugar (ribose), nitrogen
base
C. 2 phosphate groups, adenine, sugar
D. Phosphate group, deoxyribose, nitrogen base
**BONUS (1pt) Draw the structure
1.) Name the three parts of
nucleotides
A. 3 phosphate groups, adenine, sugar
B. Phosphate group, sugar (ribose), nitrogen
base
C. 2 phosphate groups, adenine, sugar
D. Phosphate group, deoxyribose, nitrogen base
2.) Yesterday in class when you created
the model of the DNA double helix…
A. What represented the nitrogenous bases?
B. What represented the sugar phosphate
backbone?
2.) Yesterday in class when you create
the model of the DNA double helix…
A. What represented the nitrogenous bases?
Marshmallows
B. What represented the sugar phosphate
backbone?
 Twizzler
3.) Sections of your DNA that code for
a certain trait (hair color, height, nose
shape, etc.) are called what?
A.
B.
C.
D.
Genes
Jeans
Genies
Double helix
3.) Sections of your DNA that code for
a certain trait (hair color, height, nose
shape, etc.) are called what?
A.
B.
C.
D.
Genes
Jeans
Genies
Double helix
4.) Which of the following is NOT one
of the 4 nitrogenous bases?
A.
B.
C.
D.
Adenine
Thymine
Cytoline
Cytosine
4.) Which of the following is NOT one
of the 4 nitrogenous bases?
A.
B.
C.
D.
Adenine
Thymine
Cytoline
Cytosine
5.) Identify which nitrogen bases are
purines and which 2 nitrogen bases
are pyrimidines
Adenine, thymine, cytosine, guanine
5.) Identify which nitrogen bases are
purines and which 2 nitrogen bases
are pyrimidines
Adenine, thymine, cytosine, guanine
6.) Write the complimentary DNA
strand for AATCGCAATCCGAGGG
6.) Write the complimentary DNA
strand for AATCGCAATCCGAGGG
AATCGCAATCCGAGGG
TTAGCGTTAGGCTCCC
7. Identify the process that copies the
entire genome (all of the DNA) of a
cell?
A.
B.
C.
D.
Replication
Mutation
Transcription
Translation
7. Identify the process that copies the
entire genome (all of the DNA) of a
cell?
A.
B.
C.
D.
Replication
Mutation
Transcription
Translation
8. What phase of the cell cycle does
DNA replication occur?
A.
B.
C.
D.
G1
S phase
G2
Mitosis
8. What phase of the cell cycle does
DNA replication occur?
A.
B.
C.
D.
G1
S phase
G2
Mitosis
9. What enzyme unwinds and
separates the 2 DNA strands by
breaking the weak hydrogen bonds
between the nitrogen bases?
A.
B.
C.
D.
DNA polymerase
Lactase
Telomerase
Helicase
9. What enzyme unwinds and
separates the 2 DNA strands by
breaking the weak hydrogen bonds
between the nitrogen bases?
A.
B.
C.
D.
DNA polymerase
Lactase
Telomerase
Helicase
10. The two DNA strands open forming
a what?
10. The two DNA strands open forming
a what? = Replication fork!
11.) Complementary nucleotides are
added to each strand by what enzyme
A.
B.
C.
D.
Helicase
DNA polymerase
Primase
Primer
11.) Complementary nucleotides are
added to each strand by what enzyme
A.
B.
C.
D.
Helicase
DNA polymerase
Primase
Primer
12.) What enzyme proofreads errors in
DNA?
A.
B.
C.
D.
Helicase
Primase
Primer
DNA polymerase
12.) What enzyme proofreads errors in
DNA?
A.
B.
C.
D.
Helicase
Primase
Primer
DNA polymerase
13.) Which enzyme is the “glue” that
attaches the fragments of nitrogen bases
to give you one bigger stretch of DNA.
A.
B.
C.
D.
DNA polymerase
Helicase
ligase
RNA polymerase
13.) Which enzyme is the “glue” that
attaches the fragments of nitrogen bases
to give you one bigger stretch of DNA.
A.
B.
C.
D.
DNA polymerase
Helicase
Ligase
RNA polymerase
14. Briefly explain why DNA replication
said to be semi- conservative?
14. Briefly explain why DNA replication
said to be semi- conservative?
• Replication is semi-conservative
since each new DNA molecule is
made of one old strand and one
new strand