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WorksheetsThe Cell Cycle
Total questions: 31
Worksheet time: 24mins
Name
Class
Date
1.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
2.
Replication is referred to as...
a)
conservative
b)
semi-conservative
c)
quasi-conservative
d)
mostly liberal
3.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
deoxyribose and the nucleus
d)
deoxyribose and phosphate
4.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
5.
The process by which a DNA molecule is copied is called _____.
a)
binary fission
b)
mitosis
c)
replication
d)
translation
6.
Where does DNA replication take place?
a)
Nucleus
b)
Ribosome
c)
Cytoplasm
d)
Golgi Body
7.
An enzyme that breaks the hydrogen bonds holding the base pairs together as it UNWINDS and UNZIPS the double helix, allowing new nucleotides to bind to the single strands by base pairing.
a)
ligase
b)
RNA polymerase
c)
DNA Helicase
d)
DNA polymerase
8.
The bonds that hold the two strands of DNA together come from...
a)
the attraction of phosphate groups
b)
strong ionic bonds
c)
strong covalent bonds
d)
weak hydrogen bonds between the bases
9.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
10.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
11.
Nuclear membrane forms around chromosomes and begins to separate.
a)
Anaphase
b)
Telophase
12.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
13.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
14.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
15.
The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell.
a)
prophase
b)
anaphase
c)
metaphase
d)
telephase
16.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
17.
Which phase comes NEXT?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
18.
Identify the phase of mitosis
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
19.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
20.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
21.
The cell membrane pinches in, dividing the cytoplasm into 2 cells
a)
Metaphase
b)
Anaphase
c)
Telephase
d)
Cytokinesis
22.
DNA is replicated during ______ of the cell cycle.
a)
G1
b)
S
c)
G2
d)
G0
23.
Following telophase in animal cells, a cell plate begins to form
a)
True
b)
False
24.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have -
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
25.
Which of the following is NOT a part of mitosis?
a)
prophase
b)
anaphase
c)
metaphase
d)
interphase
26.
the uncontrolled division of cells that results in malignant growth
a)
tissues
b)
cancer
c)
mitosis
d)
anaphase
27.
The causes of cancer may include which of the following?
a)
environmental influences
b)
UV radiation
c)
viruses
d)
all of these
28.
What are the four phases of mitosis?
a)
G1, S, G2, cytokinesis
b)
Prophase, Metaphase, Anaphase, Telophase
29.
What is the correct order of DNA replication?
a)
DNA Helicase breaks weak hydrogen bonds (DNA unzips), DNA unwinds, DNA Polymerase adds Free nucleotides
b)
DNA Polymerase adds free nucleotides, DNA unwinds, DNA helicase breaks hydrogen bonds (DNA unzips)
c)
DNA unwinds, DNA helicase breaks apart the weak hydrogen bonds (DNA unzips), DNA polymerase adds free nucleotides
30.
What role does the tumor suppressor gene p53 play in the cell cycle/cancer prevention?
a)
p53 allows cell division to occur indefinitely if there is an error in the cell cycle.
b)
p53 stops the division of the cell until errors can be corrected.
c)
p53 plays no role in cancer prevention.
d)
p53 prevents tumors by allowing the cell to continue with cell division.
31.
Which DNA strand is complementary to the strand:
3' AAGGTCAC 5'
3' AAGGTCAC 5'
a)
3' TTCCAGTG 5'
b)
5' TTCCAGTG 3'
c)
3' UUCCAGUG 5'
d)
5' AAGGTCAC 3'
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