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Unit 5: Cell Cycle-Mitosis, Cancer, Stem Cells, etc.

Total questions: 50

Worksheet time: 41mins

Name
Class
Date
1.

The series of events a cell goes through as it grows and divides is called the __________?

a)

Cell Division

b)

Cell Cycle

c)

Cytokinesis

d)

Mitosis

2.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
3.
During what phase of the cell cycle does cell division occur?
a)
Interphase
b)
M phase
c)
S phase
d)
G2 phase
4.
During what phase of the cell cycle is DNA replicated?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
5.
How many stages are in mitosis?
a)
1
b)
2
c)
3
d)
4
6.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
7.
Put the following in order: G2, G1, S, mitosis, cytokinesis. 
a)
G1, G2, S, Mitosis, cytokinesis
b)
G1, S, G2, Mitosis, cytokinesis
c)
G1, G2, S, cytokinesis, mitosis
d)
G1, S, G2, cytokinesis, mitosis
8.

Cells reproduce in order to:

a)

growth

b)

repair of damaged cells

c)

replacement of worn-out cells

d)

All of the above

9.

The division of the nucleus and genetic material is known as:

a)

Synthesis

b)

Mitosis

c)

G1

d)

G2

10.

Humans have ________ pairs of chromosomes.

a)

21

b)

23

c)

46

d)

None of the above

11.
Uncontrollable cell growth is known as _____
a)
obesity
b)
cancer
c)
diabetes
d)
hepatitis
12.
The ___________ holds the replicated sister chromatids together.
a)
centriole
b)
chromosomes
c)
centromere
d)
cycles
13.

In the G1 stage of the cell cycle, the cell

a)

Grows

b)

Replicates organelles

c)

Carries on normal activities

d)

All of the above

14.
In the S stage of interphase_______________
a)
the cell grows
b)
the nucleus divides
c)
the cell membrane divides
d)
the DNA is replicated
15.

The structures labeled B are

a)

centrioles

b)

Sister chromatids

c)

centromeres

d)

chromopheres

16.
When a plant cell goes through cell division,  _____________.
a)
the 2 new nuclei are separated by the cell membrane pinching off.
b)
4 new cells are formed
c)
a cell plate forms, dividing the 2 new nuclei
d)
None of the above
17.
When an animal cell goes through cytokinesis,__________
a)
a cell plate forms dividing the 2 new nuclei.
b)
the cell membrane pinches off the 2 new cells.
c)
4 new cells are formed.
d)
None of the above
18.
A human cell has 46 chromosomes before mitotic division.  How many chromosomes will the daughter cells after mitosis.
a)
12
b)
23
c)
46
d)
92
19.
A cell spends __% of its cycle in ____.
a)
100, interphase
b)
10, cytokinesis
c)
40, mitosis
d)
90, interphase
20.
What stage is this?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
21.
What stage is this?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
22.
What stage is this?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
23.
What stage is this?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
24.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
25.
This is a picture of a ______
a)
Chromatid
b)
Chromatin
c)
Duplicated chromosome
d)
Centriole
26.
Substances known to produce or promote cancer are called
a)
Kinases
b)
Carcinogens
c)
Cyclins
d)
Malignancies
27.
While in the womb, the webbed fingers of the embryo undergo programmed cell death, also known as
a)
apoptosis
b)
cytokinesis
c)
carcinogen
d)
stem cells
28.
Which of the following is true of malignant tumors?
a)
They do not require treatment.
b)
They are easily removed through surgery.
c)
They can cause tumors in other parts of the body.
d)
They contain cells that stay clustered together.
29.
What makes stem cells different from other cells in the body?
a)
They are larger than other cells, and can absorb broken cells to repair them.
b)
They repair cells by breaking open and making their cell parts available for absorption into other cells.
c)
They are undifferentiated cells that can turn into a number of different kinds of cells as needed.
d)
They are cells that grow uncontrollably.
30.

Which is Anaphase?

a)

A

b)

E

c)

C

d)

F

31.
Place these cells in order of mitosis.
a)
A, B, C, D, E
b)
B, E, D, A, C
c)
C, E, A, D, B
d)
B, D, A, E, C
32.

Phase where the chromosomes unwind back into chromatin

a)

interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

33.

Why/how is mitosis a form asexual reproduction?

a)

The cells are haploid and genetically identical to the parent

b)

The cells are diploid and genetically identical to the parent

c)

The cells are haploid and genetically different from the parent cell

d)

The cells are diploid and genetically different from the parent cell

34.

The difference between cytokinesis and telophase can defined by

a)

Telophase splits the nucleus, Cytokinesis splits the cytoplasm

b)

Telophase splits the cytoplasm, Cytokinesis splits the nucleus

c)

Both split the cell, but telophase is only in prokaryotic cells.

d)

Both split the cell, but telophase is only in eukaryotic cells.

35.

What phase is shown in the picture?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

e)

Cytokinesis

36.

What type of cells go through interphase and mitosis?

a)

diploid, somatic cells

b)

diploid, gamete cells

c)

haploid, gamete cells

d)

haploid, somatic cells

37.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
38.

A liver cell is what type of cell?

a)

sex cell

b)

germ cell

c)

somatic cell

d)

haploid cell

39.

To fit within a cell, DNA becomes more compact by

a)

breaking apart

b)

extending to form long molecules

c)

wrapping tightly around proteins called histones

d)

changing into proteins

40.

Binary fission

a)

occurs when two cells collide

b)

produces energy

c)

creates a new species

d)

is a form of reproduction for bacteria

41.
Neural stem cells from the brain can differentiate into... 
a)
only specialized brain cells .
b)
specialized brain cells and specialized skin cells. 
c)
all types of specialized cells. 
d)
only specialized blood cells. 
42.
Why might stem cell research lead to a cure for diabetes?
a)
Stem cells can be used to grow pancreas cells that produce insulin.
b)
Stem cells can create babies that have normal functioning pancreases.
43.
Stem cells are
a)
cells that grow uncontrollably.
b)
undifferentiated and can develop into many types of cells.
c)
cells that never go through cell division.
d)
only found in embryos.
44.
What is the difference between embryonic stem cells and adult stem cells?
a)
Embryonic stem cells can differentiate into more cell types than adult stem cells
b)
Adult stem cells are pluripotent, just like embryonic stem cells
c)
Adult stem cells can differentiate into more cell types than embryonic stem cells
d)
Adult stem cells grow bigger than embryonic stem cells
45.

Medical research involving stem cells is important for ...

a)

to test the effectiveness of new drugs

b)

the generation of cells and tissues that can be used in cell based therapies

c)

to understand the consequences of turning genes off and on

d)

All of the above

46.
How do stem cells know what type of cells to differentiate into?
a)
The nucleus has instructions to turn some genes on and some genes off.
b)
Signals from chemicals in the organism or from the environment determine which genes will be turned on and off.
c)
Genes turn on and off randomly.
d)
The cell has unique DNA that determines what the cell will become.
47.

The diagram shows the process of cell differentiation from a single stem cell. Which of the following statements is true about this process?

a)

Specialized cells (blood, skin, nervous etc) cannot be produced from a single stem cell

b)

Specialized cells are produced immediately following fertilization

c)

Even though all the cells in an organism come from one single cell, they can specialize or differentiate, into different cell types

d)

Since all the cells in an organism come from one single cell, they must all have the same structure and function

48.
Stem cells can be obtained from
a)
embryos
b)
some adult tissues
c)
umbilical cord blood
d)
all of the above
49.

Why was U.S. federal funding for embryonic stem cell research restricted?

a)

controversy over using discarded human embryos

b)

controversy over research that could cure diseases

c)

controversy over using bodies donated to medical reseaarch

d)

controversy over scientists being paid too much money

50.

What makes stem cells different from other cells in the body?

a)

They are larger than other cells, and can absorb broken cells to repair them.

b)

They repair cells by breaking open and making their cell parts available for absorption into other cells.

c)

They are undifferentiated cells that can turn into a number of different kinds of cells as needed.

d)

They are cells that grow uncontrollably.

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