NEW
Font size
S
M
L
XL
WorksheetsDNA Replication (Quiz 7 Review)
Total questions: 35
Worksheet time: 36mins
Name
Class
Date
1.
DNA Polymerase can only READ DNA ___________; and can only BUILD/ADD DNA ______________.
a)
5' to 3' . 3' to 5'
b)
3' to 5' . 5' to 3'
c)
Both done 3' to 5'
d)
Both done 5' to 3'
2.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
3.
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.)
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
4.
Which enzyme is responsible for adding nucleotides?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
5.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
d)
Transformation
6.
Which organelle is DNA held inside?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
7.
In which phase of the cell cycle does DNA replication take place?
a)
Gap 1 (G1)
b)
Synthesis (S)
c)
Gap 2 (G2)
d)
Mitosis (M)
8.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
9.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
10.
Why is it crucial that living things are able to replicate their DNA?
a)
Each cell must have its own identical copy of the DNA genome
b)
DNA cannot be identical in every cell that is created
c)
A cell needs multiple copies of its DNA genome in it's nucleus
d)
Living things reproduce
11.
The method of DNA replication is known as:
a)
Semi-conservative
b)
Conservative
c)
Dispersive
d)
Complementary
12.
order of replication
a)
3, 2, 1, 4
b)
2, 1, 4, 3
c)
2, 3, 1, 4
d)
3, 4, 1, 2
13.
The "Y" shaped region where DNA is unwound to start replication is called the ...
a)
replication fork
b)
Leading strand
c)
Lagging strand
d)
replication bubble
14.
The enzyme that unzips the DNA to prepare for replication ("The Unzipper")
a)
helicase
b)
replicase
c)
polymerase
d)
ligase
15.
Which enzyme is responsible for adding nucleotides ("The Builder")?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
16.
Which enzyme is responsible for gluing and connecting parts of newly created DNA fragments together ("The Gluer")?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
17.
Which enzyme breaks the hydrogen bonds between the two DNA strands?
a)
Topoisomerase
b)
Helicase
c)
DNA polymerase
d)
Ligase
18.
Which of these occurs first?
a)
Helicase breaks the hydrogen bonds
b)
Topoisomerase uncoils the DNA
c)
DNA polymerase adds new nucleotides
d)
Primase adds primers
19.
The pairing of _____ in DNA is the key feature that allows DNA to be copied.
a)
nucleotides
b)
nitrogen bases
c)
chromosomes
d)
codons
20.
Seals the Okazaki fragments together
a)
DNA Polymerase
b)
ligase
c)
helicase
d)
primase
21.
direction new nucleotides are synthesized on the new strand
a)
5' to 3' (new nucleotides added to the 3' end)
b)
3' to 5' (new nucleotides added to the 5' end)
22.
Which choice represents the correct order of organization from smallest to largest?
a)
organism, chromosome, gene, cell
b)
gene, chromosome, cell, organism
c)
gene, cell, chromosome, organism
d)
organism, cell, chromosome, gene
23.
What type of macromolecule is DNA?
a)
Protein
b)
Lipid
c)
Carbohydrate
d)
Nucleic Acid
24.
Small segments of DNA made on the lagging strand are called:
a)
Okazaki Fragments
b)
ERVs
c)
Transposable Elements
d)
Telomeres
25.
Why is DNA replication important?
a)
For cells to keep making DNA
b)
So cells can have multiple copies of DNA
c)
For cells to replace their DNA
d)
So each cell has a complete copy of DNA
26.
Which direction does DNA polymerase add new nucleotides in?
a)
5' to 3'
b)
3' to 5'
c)
both 3' to 5' or 5' to 3'
27.
Okazaki fragments are a result of _________.
a)
Semiconservative replication
b)
Discontinuous replication
c)
DNA Polymerase
d)
Single Stranded Binding Proteins
28.
Which of the following sequences expresses the correct order of enzyme function in DNA replication?
a)
Helicase---DNA polymerase--ligase
b)
ligase--helicase--DNA polymerase
c)
DNA polymerase--helicase--ligase
29.
How does DNA polymerase know which nucleotides to add to the old strands?
a)
it looks to the sky and asks for help
b)
it reads the bases on the template strand
c)
it asks DNA ligase to add bases for it
d)
it doesn't know what it's doing
30.
Letter E represents the
a)
helicase strand
b)
polymerase strand
c)
leading strand
d)
lagging strand
31.
Letter C represents the
a)
okazaki fragments
b)
DNA polymerase
c)
DNA helicase
d)
DNA ligase
32.
Letter B represents the
a)
okazaki fragments
b)
DNA polymerase
c)
DNA helicase
d)
DNA ligase
33.
Letter D represents the
a)
okazaki fragments
b)
DNA polymerase working continuously
c)
DNA polymerase working discontinuously
d)
DNA ligase
34.
Genes for medically important proteins can be cloned and inserted into bacteria, as shown in the diagram below. Why can bacteria recognize a human gene and then produce a human protein?
a)
DNA replication in bacteria and humans is the same.
b)
. Bacterial cells contain the same organelles as human cells.
c)
The basic components of DNA are the same in humans and bacteria.
d)
Bacterial cells and human cells contain the same kind of chromosomes.
35.
What is true of prokaryotic replication
a)
There are multiple origins of replication (replication bubbles)
b)
all the chromosomes replicate at the same time
c)
it occurs in the the cytoplasm
d)
There is no termination phase
Reset
