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Unit 4: Cell Communication & the Cell Cycle

Total questions: 164

Worksheet time: 2hrs 17mins

Name
Class
Date
1.

Receptors for signal molecules __________.

a)

can be found in the plasma membrane & in cytoplasm/nucleus

b)

all work via protein kinases

c)

all work by opening ion channels

d)

are only found associated with the plasma membrane

2.

A G protein is active when __________.

a)

GDP replaces GTP

b)

it is phosphorylated by protein kinase

c)

GTP is bound to it

d)

it is bound by its ligand and transported to the nucleus

3.

What is the general name for an enzyme that transfers phosphate groups from ATP to a protein?

a)

protein dehydrogenase

b)

protein kinase

c)

protein cyclase

d)

protein phosphatase

4.

The source of phosphate for a phosphorylation cascade is __________.

a)

ATP

b)

GTP

c)

protein kinase

d)

protein phosphatase

5.

Why are phosphorylation cascades involving a series of protein kinases useful?

a)

they always lead to the same cellular response

b)

the number of molecules used is small and fixed

c)

cAMP is not always readily available

d)

they amplify the original signal

6.

A process in which an initial change will bring about more change in the same direction.

a)

negative feedback

b)

positive feedback

c)

homeostasis

d)

neutral feedback

7.

Which of the following is not true about homeostasis?

a)

it is how the body maintains a constant environment

b)

it is controlled by positive feedback loops

c)

it is controlled by negative feedback loops

d)

it is a characteristic of all living organisms

8.

Which of the following is not an example of a negative feedback loop?

a)

body maintaining a temperature of about 37°C

b)

release of ADH to increase H2O reabsorption when dehydrated

c)

a ripe apple releasing ethylene, which causes more ripening

d)

heart rate increasing when exercising to deliver more O2 to cells

9.

What do cells have in order to respond to a particular hormone?

a)

a receptor for the hormone

b)

nothing as any hormone can affect any cell at any time

c)

an effector for the hormone

d)

a plasma membrane

10.

If a cell undergoes mitosis without cytokinesis, what will the resulting cell look like?

a)

the cell will have more than one nucleus

b)

the cell will completely lack a nucleus

c)

the cell will be unusually small

d)

the cell will have damaged chromosomes

11.

Which of the following does not occur during mitosis?

a)

condensation of chromatin to chromosomes

b)

replication of DNA

c)

separation of sister chromatids

d)

the formation of a spindle apparatus

12.

A cell has half as much DNA as other cells in a mitotically active tissue. What phase is it in?

a)

G1

b)

G2

c)

prophase

d)

metaphase

13.

If the DNA of a 2n cell in the G1 phase is x, then what's the DNA of that cell in metaphase?

a)

0.5x

b)

x

c)

2x

d)

say what now?

14.

Which of the following is not a cell cycle check point?

a)

G1

b)

G2

c)

G0

d)

M

15.

Which of the following is an example of an internal control in the cell cycle?

a)

PDGF

b)

MPF = cyclin + cdk

c)

positional inhibition

d)

density dependent factors

16.

Which of the following does not contribute to cancer?

a)

proto-oncogenes mutated to stay on

b)

tumor suppressor genes mutated to stay on

c)

tumor suppressor genes mutated to stay off

d)

proto-oncogenes stimulating uncontrolled cell division

17.

Through a microscope, you can see a cell plate developing between two nuclei. What's going on?

a)

a plant cell is in the process of cytokinesis

b)

an animal cell is in the process of cytokinesis

c)

an animal cell is in the S phase of the cell cycle

d)

a bacterial cell is diving via binary fission

18.
Which of the following would be an example of paracrine signaling in animals?
a)
neurotransmitter acetylcholine
b)
hormone epinephrine
c)
neurotransmitter norepinephrine
d)
growth factor
19.
A signal molecule that binds to a plasma-membrane protein is a
a)
ligand
b)
second messenger
c)
protein kinase
d)
receptor protein
20.
What is a G protein?
a)
specific type of membrane-receptor protein
b)
protein on the cytoplasmic side of a membrane
c)
membrane-bound enzyme
d)
relay protein
21.
Which of the following can activate a protein by transferring a phosphate group to it?
a)
cAMP
b)
G Protein
c)
protein kinase
d)
protein phosphatase
22.
What do second messengers do?
a)
transport a signal through the lipid bilayer
b)
relay a signal from the outside to the inside of the cell
c)
relay message from the inside of the mebrane throughout the cytoplasm
d)
dampen the message
23.
Signal amplification is most often achieved by
a)
an enzyme cascade
b)
binding of multiple signals
c)
branching pathways
d)
action of adenylyl cyclase
24.
What does a protein phosphatase do?
a)
removes phosphates
b)
transfers phosphates from ATP to proteins
c)
activates an enzyme with a signal molecule
25.
What is a phosphorylation cascade?
a)
travelling of hormones through the air
b)
travelling of hormones through the blood
c)
the removal of a phosphate
d)
a series of molecules that get phosphorylated
26.
What determines whether a signal molecule binds on the surface or enters the cell?
a)
size
b)
polarity
c)
ability to cross the membrane
d)
all of these are correct
27.
Which of the following is a chemical message that usually travels through the bloodstream to target cells?
a)
hormone
b)
local regulator
c)
endocrine cell
28.
Which of the following shows the correct sequence of the cell cycle?
a)
Mitosis-> G1->S->G2->cytokinesis
b)
S->G1-> G2-> mitosis-> cytokinesis
c)
cytokinesis->mitosis->G1->S->G2
d)
 G1->S->G2->mitosis->cytokinesis
29.
As you get dehydrated, your blood becomes thicker and harder to pump. Your kidneys will respond by stopping urine production, sending the water from urine into your bloodstream to thin your blood back to normal level.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
30.
When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
31.
Structure (b) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
32.

A feedback loop best fits which characteristic of life?

a)

Cells

b)

Organization

c)

Homeostasis

d)

Adaptation

33.

According to the feedback loop, what does high blood sugar promote?

a)

Insulin Release

b)

Glucagon Release

c)

Insulin Uptake

d)

Glycogen Uptake

34.

Cyclins are small proteins that bind to and activate CDK enzymes during the process of:

a)

endocytosis

b)

cell respiration

c)

osmosis

d)

mitosis

35.

Cells can communicate with one another via:

a)

chemical messengers

b)

hormones

c)

gap junctions

d)

all of these

36.

Does DNA replicate before or after cell replication?

a)

before the cell divides

b)

after the cell divides

37.

G1 is associated with what event?

a)

doubling of cell content

b)

DNA replication

c)

The beginning of mitosis

d)

breakdown of the nuclear membrane

38.
A signal molecule that binds to a plasma-membrane protein is a
a)
ligand
b)
second messenger
c)
protein kinase
d)
receptor protein
39.
Which of the following shows the correct sequence of the cell cycle?
a)
Mitosis-> G1->S->G2->cytokinesis
b)
S->G1-> G2-> mitosis-> cytokinesis
c)
cytokinesis->mitosis->G1->S->G2
d)
 G1->S->G2->mitosis->cytokinesis
40.
sequence
a)
C,D, B, A, F, E
b)
D,A,F,C,E,B
c)
B,E,C,F,A,D
d)
C,B,D,A E,F
41.
How does mitosis in plant cells differ from mitosis in animal cells?
a)
animal cells form a cell plate
b)
plant cells form a cell plate
c)
plant cells go through the process in reverse
d)
plant cells go through two rounds of mitosis while animal cells just do one
42.
Which of the following phrases best describes cytokenesis
a)
division of the cytoplasm
b)
division of the nucleus
c)
division of DNA
d)
division of surface area
43.
Structure (b) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
44.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
45.
What do you call it when two neurons communicate through neurotransmitters?
a)
Hormones
b)
Synapse
c)
Cholesterol
d)
Monty
46.
What is an organic compound that is made by glands in the body (pituitary, thyroid, etc) that is used in long distance communication between cells?
a)
Hormones
b)
Neurotransmitters
c)
Synapse
d)
Carbohydrates
47.
Hormones are used in ____ signaling.
a)
endocrine
b)
juxtacrine
c)
autocrine
d)
paracrine
48.
Identify the Cell Cycle Stage.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
49.
Identify the Cell Cycle Stage.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
50.
Identify the Cell Cycle Stage.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
51.
Identify the Cell Cycle Stage.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
52.
Identify the Cell Cycle Stage.
a)
Interphase
b)
Anaphase
c)
Telophase
d)
Prophase
53.
The nuclear membrane breaks down occurs during which stage?
a)
Interphase
b)
Metaphase
c)
Prophase
d)
Telophase
54.
During which state of the cell cycle is DNA Replicated?
a)
Interphase
b)
Prophase
c)
Anaphase
d)
Cytokinesis
55.
Which process divides the nucleus into two nuclei?
a)
DNA Replication
b)
Mitosis
c)
Cytokinesis
d)
Reproduction
56.
In which phase of mitosis do the sister chromatids line up on the equator of the cell?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
57.
Why do cells go through cell division
a)
Growth
b)
Reproduction
c)
Repair
d)
All of the above
58.
Put the following actions in order: DNA replicates, cell grows, cell divides, cell prepares for mitosis. 
a)
DNA replicates, cell grows, cell prepares for mitosis, cell divides
b)
cell grows, cell prepares for mitosis, DNA replicates, cell divides
c)
cell grows, DNA replicates, cell prepares for mitosis, cell divides
d)
DNA replicates, cell prepares for mitosis, cell grows, cell divides
59.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
60.
What does it mean for a tumor to metastasize?
a)
mass
b)
spread
c)
to get better
d)
to repair cells
61.
Chromosome movement in mitosis and meiosis is regulated by
a)
microtubules
b)
microfilaments
c)
intermediate filaments
d)
All of thiese
62.
Which of the following is not a part of interphase?
a)
G2
b)
M
c)
G1
d)
S
63.
DNA is replicated during ______ of the cell cycle.
a)
G1
b)
S
c)
G2
d)
G0
64.
The phase of mitosis in which the sister chromatids separate from each other
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
65.
Which of these phases does not have a checkpoint?
a)
G1/S
b)
S/G2
c)
G2/M
d)
Mitosis right before sister chromatids separate
66.
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.
67.
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.
68.

What is cancer?

a)

A group of diseases characterized by no cell growth

b)

A group of diseases caused by the failure of chromosomes to separate

c)

A group of diseases characterized by uncontrolled cell division

d)

A group of diseases caused by excessive replication of chromosomes

69.

Humans have ________ pairs of chromosomes.

a)

21

b)

23

c)

46

d)

None of the above

70.

When a cell is in late anaphase of mitosis, which of the following will we see?

a)

chromosomes clustered tightly at the center

b)

breaking down of the nuclear envelope

c)

a clear area in the center of the cell

d)

formation of two daughter nuclei

71.
The phase of mitosis in which the sister chromatids separate from each other
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
72.

How do bacteria sense local population density?

a)

quorum sensing

b)

bacteria sensing

c)

signal sensing

d)

population sensing

73.

Local signaling in animals is called what?

a)

paracrine

b)

endocrine

c)

hormone

d)

gap junctions

74.

Long distance signaling in animals is called what?

a)

paracrine

b)

endocrine

c)

hormone

d)

gap junctions

75.

Molecules that bind to membrane receptors are called what?

a)

signals

b)

ligands

c)

glycoproteins

d)

second messengers

76.

What word means programmed cell death?

a)

apoptosis

b)

mitosis

c)

Ced-9

d)

bleb

77.

Cells can communicate with one another via:

a)

chemical messengers

b)

hormones

c)

gap junctions

d)

all of these

78.
A signal molecule that binds to a plasma-membrane protein is a
a)
ligand
b)
second messenger
c)
protein kinase
d)
receptor protein
79.
What is a G protein?
a)
specific type of membrane-receptor protein
b)
protein on the cytoplasmic side of a membrane
c)
membrane-bound enzyme
d)
relay protein
80.
Which of the following can activate a protein by transferring a phosphate group to it?
a)
cAMP
b)
G Protein
c)
protein kinase
d)
protein phosphatase
81.
What do second messengers do?
a)
transport a signal through the lipid bilayer
b)
relay a signal from the outside to the inside of the cell
c)
relay message from the inside of the mebrane throughout the cytoplasm
d)
dampen the message
82.
Which of the following is involved in many human medicines for disease?
a)
cAMP
b)
Calcium concentration
c)
G-protein pathways
d)
receptor tyrosine kinases
83.
Signal amplification is most often achieved by
a)
an enzyme cascade
b)
binding of multiple signals
c)
branching pathways
d)
action of adenylyl cyclase
84.
What does a protein kinase do?
a)
removes phosphates
b)
transfers phosphates from ATP to proteins
c)
activates an enzyme
85.
What does a protein phosphatase do?
a)
removes phosphates
b)
transfers phosphates from ATP to proteins
c)
activates an enzyme with a signal molecule
86.
What determines whether a cell is a target cell for a particular signal molecule?
a)
phosphorylation cascade
b)
cAMP
c)
signal receptors
d)
phosphatase
87.
What determines whether a signal molecule binds on the surface or enters the cell?
a)
size
b)
polarity
c)
ability to cross the membrane
d)
all of these are correct
88.
Which of the following is a chemical message that usually travels through the bloodstream to target cells?
a)
hormone
b)
local regulator
c)
endocrine cell
89.
Which of the following shows the correct sequence of the cell cycle?
a)
Mitosis-> G1->S->G2->cytokinesis
b)
S->G1-> G2-> mitosis-> cytokinesis
c)
cytokinesis->mitosis->G1->S->G2
d)
 G1->S->G2->mitosis->cytokinesis
90.
sequence
a)
C,D, B, A, F, E
b)
D,A,F,C,E,B
c)
B,E,C,F,A,D
d)
C,B,D,A E,F
91.
As you get dehydrated, your blood becomes thicker and harder to pump. Your kidneys will respond by stopping urine production, sending the water from urine into your bloodstream to thin your blood back to normal level.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
92.
When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
93.
Structure (b) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
94.
Why do cells go through cell division
a)
Growth
b)
Reproduction
c)
Repair
d)
All of the above
95.
DNA is replicated during ______ of the cell cycle.
a)
G1
b)
S
c)
G2
d)
G0
96.
The phase of mitosis in which the sister chromatids separate from each other
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
97.
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.
98.

A feedback loop best fits which characteristic of life?

a)

Cells

b)

Organization

c)

Homeostasis

d)

Adaptation

99.

According to the feedback loop, what does high blood sugar promote?

a)

Insulin Release

b)

Glucagon Release

c)

Insulin Uptake

d)

Glycogen Uptake

100.

Cells can communicate with one another via:

a)

chemical messengers

b)

hormones

c)

gap junctions

d)

all of these

101.

Does DNA replicate before or after cell replication?

a)

before the cell divides

b)

after the cell divides

102.

Tube-like structures that attach to the centromere of a chromosome

a)

Metaphase Plate

b)

Microtubules

c)

Centrosome

d)

Centrioles

e)

Cleavage Furrow

103.

Identify the circled structure...

a)

Centrioles

b)

Microtubules

c)

Centrosome

d)

Centromere

e)

Cleavage Furrow

104.

A

a)

Kinetochore

b)

Chromosome

c)

Sister Chromatids

d)

Centromere

e)

Cleavage Furrow

105.

C (each of these is called)

a)

Kinetochore

b)

Chromosome

c)

Sister Chromatids

d)

Centromere

e)

Cleavage Furrow

106.

E (whole structure)

a)

Kinetochore

b)

Chromosome

c)

Sister Chromatids

d)

Centromere

e)

Cleavage Furrow

107.
a)

Kinetochore

b)

Chromosome

c)

Sister Chromatids

d)

Centromere

e)

Cleavage Furrow

108.

G1 is associated with what event?

a)

doubling of cell content

b)

DNA replication

c)

The beginning of mitosis

d)

breakdown of the nuclear membrane

109.

A diploid cell has ____ the number chromosomes as a haploid cell.

a)

half

b)

twice

c)

one-fourth

d)

four times

110.

Attachment of the mitotic spindle fibers to the kinetochores is a characteristic of which stage of mitosis?

a)

prophase

b)

prometaphase

c)

metaphase

d)

anaphase

111.

D (located ON this structure, one side)

a)

Kinetochore

b)

Chromosome

c)

Sister Chromatids

d)

Centromere

e)

Cleavage Furrow

112.

Cells grow, carry out normal functions, and copy their organelles.

a)

G1

b)

S

c)

G2

d)

M phase

113.

Cells go through additional growth.

a)

G1

b)

S

c)

G2

d)

M phase

114.

Cells undergo cell division, which involves both mitosis and cytokinesis.

a)

G1

b)

S

c)

G2

d)

M phase

115.

Cells replicate DNA.

a)

G1

b)

S

c)

G2

d)

M phase

116.

The G in G1 and G2 stands for _____.

a)

gap

b)

growth

c)

gap/growth

d)

none of these

117.

Cells must pass through a critical checkpoint during which stages of the cell cycle?

a)

G1

b)

G2

c)

M phase

d)

All of these are correct.

118.

Where does DNA synthesis happen in eukaryotic cells?

a)

cytoplasm

b)

mitochondria

c)

nucleus

d)

Golgi apparatus

119.

What two processes make up the M stage?

a)

fermentation & mitosis

b)

mitosis & cytokinesis

c)

glycolysis & cytokinesis

d)

G1 & G2

120.

Some scientists name the stage where cells carry out their normal functions but are unlikely to divide. The name they give this stage is _________.

a)

G0

b)

G1

c)

G2

d)

G3

121.

To stay alive, a cell needs materials to move in and out across its membrane. As a cell grows bigger, its volume increases _____ than its surface area. At a certain point, the cell’s volume would be _____ compared to the area available for materials to move in and out.

a)

faster / too small

b)

faster / too large

c)

slower / too small

d)

slower / too large

122.

The rate at which a particular type of cell divides is linked to the body’s need for that cell type. Skin cells are typically exposed to more damaging conditions than are liver cells. Skin cells must be replaced more often than liver cells. Therefore, which of these statements is true?

a)

Skin cells and liver cells divide at the same rate.

b)

Liver cells divide more often than skin cells.

c)

Skin cells divide more often than liver cells.

d)

Neither skin cells nor liver cells divide.

123.

The word “cycle” in cell cycle refers to the _____ of growth, DNA duplication, and cell division that occurs in eukaryotic cells.

a)

repetition

b)

randomness

c)

rapidness

d)

retention

124.

The word cytokinesis has the prefix cyto- that refers to a cell and the suffix -kinesis that refers to division or movement. Therefore, cytokinesis is the process where a cell’s cytoplasm _____.

a)

divides

b)

multiplies

c)

increases

d)

evaporates

125.

A(n) _____ is a stage in the eukaryotic cell cycle at which the cell examines internal and external cues and "decides" whether or not to move forward with division.

a)

checkpoint

b)

chromosome

c)

interphase

d)

tumor

126.

Which one is not a checkpoint?

a)

G0 checkpoint

b)

G1 checkpoint

c)

G2 checkpoint

d)

Spindle checkpoint

127.

Checks for cell size, nutrients, growth factors, and DNA damage.

a)

G1 checkpoint

b)

G2 checkpoint

c)

Spindle checkpoint

d)

DNA polymerase

128.

Checks for DNA damage and DNA replication completeness.

a)

G1 checkpoint

b)

G2 checkpoint

c)

Spindle checkpoint

d)

DNA polymerase

129.

Checks for chromosome attachment to the spindle at the metaphase plate.

a)

G1 checkpoint

b)

G2 checkpoint

c)

Spindle checkpoint

d)

DNA polymerase

130.

programmed cell death = _____

a)

apoptosis

b)

cancer

c)

spindle

d)

cytokinesis

131.

uncontrolled cell growth = _____

a)

apoptosis

b)

cancer

c)

spindle

d)

cytokinesis

132.
Which of the following would be an example of paracrine signaling in animals?
a)
neurotransmitter acetylcholine
b)
hormone epinephrine
c)
neurotransmitter norepinephrine
d)
growth factor
133.
A signal molecule that binds to a plasma-membrane protein is a
a)
ligand
b)
second messenger
c)
protein kinase
d)
receptor protein
134.
What is a G protein?
a)
specific type of membrane-receptor protein
b)
protein on the cytoplasmic side of a membrane
c)
membrane-bound enzyme
d)
relay protein
135.
Which of the following can activate a protein by transferring a phosphate group to it?
a)
cAMP
b)
G Protein
c)
protein kinase
d)
protein phosphatase
136.
What do second messengers do?
a)
transport a signal through the lipid bilayer
b)
relay a signal from the outside to the inside of the cell
c)
relay message from the inside of the mebrane throughout the cytoplasm
d)
dampen the message
137.
What is a function of the second messenger IP3?
a)
bind to and activate protein kinase A
b)
activate transcription factors
c)
convert ATP to cAMP
d)
bind to and open ligand-gated channels
138.
Which of the following is involved in many human medicines for disease?
a)
cAMP
b)
Calcium concentration
c)
G-protein pathways
d)
receptor tyrosine kinases
139.
Signal amplification is most often achieved by
a)
an enzyme cascade
b)
binding of multiple signals
c)
branching pathways
d)
action of adenylyl cyclase
140.
What does a protein kinase do?
a)
removes phosphates
b)
transfers phosphates from ATP to proteins
c)
activates an enzyme
141.
What does a protein phosphatase do?
a)
removes phosphates
b)
transfers phosphates from ATP to proteins
c)
activates an enzyme with a signal molecule
142.
What is a phosphorylation cascade?
a)
travelling of hormones through the air
b)
travelling of hormones through the blood
c)
the removal of a phosphate
d)
a series of molecules that get phosphorylated
143.
What determines whether a cell is a target cell for a particular signal molecule?
a)
phosphorylation cascade
b)
cAMP
c)
signal receptors
d)
phosphatase
144.
Do plant cells communicate using hormones?
a)
yes
b)
no
145.
What determines whether a signal molecule binds on the surface or enters the cell?
a)
size
b)
polarity
c)
ability to cross the membrane
d)
all of these are correct
146.
Which of the following converts cAMP to AMP?
a)
phosphodiesterase
b)
protein phosphatase
c)
GTPase
147.
Which of the following is a chemical message that usually travels through the bloodstream to target cells?
a)
hormone
b)
local regulator
c)
endocrine cell
148.
The cell carries out normal functions during..
a)
interphase
b)
cytokinesis
c)
mitosis
149.
What does NOT happen during interphase?
a)
growth
b)
DNA replication 
c)
obtaining nutrients
d)
cell divison
150.
Cells spend the majority of their lifes in
a)
interphase
b)
M
c)
S
d)
G2
151.
Cells spend the majority of their lifes in
a)
interphase
b)
M
c)
S
d)
G2
152.
the uncontrolled division of cells that results in malignant growth 
a)
tissues
b)
cancer
c)
mitosis
d)
anaphase
153.
Which of the following statements is true of cytokinesis
a)
takes place in plant cells only
b)
completes the cell cycle
c)
organizes DNA
d)
occurs in prophase
154.
During interphase, a cell grows, dublicates organelles, and...
a)
copies DNA
b)
divides the nucleus
c)
divides the cytoplasm
d)
produces a new cell
155.
The part of the cell cycle that divides the cytoplasm of the cell
a)
Synthesis Phase
b)
G1 Phase
c)
G2 Phase
d)
Cytokinesis
156.
Stage in which the cells nuclear material divides and seperates
a)
G1
b)
Synthesis
c)
G2
d)
Mitosis
157.
The synthesis (S) phase is characterized by
a)
cell division
b)
the division of cytoplasm
c)
DNA replication
d)
replication of mitochondria and other organelles
158.
Which of the following is not a part of interphase?
a)
G2
b)
M
c)
G1
d)
S
159.
Which of the following is NOT a reason we need mitosis.
a)
Growth
b)
Recovering from injuries
c)
Replacement of dead cells
d)
Sexual reproduction
160.
DNA is replicated during ______ of the cell cycle.
a)
G1
b)
S
c)
G2
d)
G0
161.
In which stage of the cell cycle is the cell preparing for division? 
a)
G1
b)
S
c)
G2
d)
M
162.
Where does DNA synthesis happen in eukaryotic cells?
a)
cytoplasm
b)
mitochondria
c)
nucleus
d)
Golgi apparatus
163.
Which of the following shows the correct sequence of the cell cycle?
a)
Mitosis-> G1->S->G2->cytokinesis
b)
S->G1-> G2-> mitosis-> cytokinesis
c)
cytokinesis->mitosis->G1->S->G2
d)
 G1->S->G2->mitosis->cytokinesis
164.
Which of the following terms means cytoplasmic division?
a)
interphase
b)
mitosis
c)
cytokinesis
d)
cell cycle

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