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Mitosis, Stem Cells, And Cancer
Test Description: Exam review
Instructions: Answer all questions to get your test result.
1) What must happen to chromosomes before mitosis begins?
A
nothing
B
they must exchange genes
C
They must divide in half
D
the DNA must make a copy
2) What is the purpose of mitosis?
A
to cause a DNA mutation
B
to cause cancer
C
to make cells that have half the number of chromosomes as the original cell
D
to make 2 cells that are genetically the same as the original cell
3) During mitosis the chromosomes ....
A
have DNA mutations
B
dinsintegrate
C
line up in the middle of the cell
D
go away
4) If the original cell has 46 chromosomes, how many chromosomes will the 2 resulting cells have after mitosis?
A
2
B
23
C
4
D
46
5) Which type of cell is not formed by mitosis?
A
hair
B
skin
C
muscle
D
sperm and egg
6) During mitosis the sister chromatids
A
disintegrate
B
exchange genes
C
all end up on one of the two cells
D
get pulled apart to opposite sides of the cell
7) The chances of getting cancer can be increased by all of the following EXCEPT
A
vegetables
B
Xrays
C
UV rays
D
certain chemicals in smoke
8) Cancer is a word that means
A
cells get too big
B
cell death
C
uncontrolled cell division
D
cells grow too much
9) Stem cells are ......
A
reproductive cells
B
cells that aren't specialized yet
C
cancer cells
D
muscle cells
10) Cancer can be caused by...
A
Mutation to a gene on a chromosome
B
a bacteria
C
meiosis
D
the flu
11) Scientists and doctors are interested in some stem cells because
A
they have the potential to become any type of cells
B
they can cause cancer
C
they can fight off the flu
D
they can be used for vaccinations
12) Mitosis causes a persons body to
A
form cancer
B
make offspring
C
grow another head
D
grow larger in size
*select an answer for all questions
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