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WorksheetsCell differentiation and Stem cells
Total questions: 14
Worksheet time: 19mins
Name
Class
Date
1.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
2.
Stem cells can be obtained from
a)
embryos
b)
some adult tissues
c)
umbilical cord blood
d)
all of the above
3.
Which best explains why muscle cells are different from blood cells?
a)
Muscle cells are produced by the brain, but blood cells are produced by the heart.
b)
Different genes are activated in muscle cells than in blood cells.
c)
Muscles cells experience different environmental influences than blood cells.
d)
A mutation occurs during the development of muscle cells but not in blood cells.
4.
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
5.
Which is true about embryonic stem cells?
a)
They no longer divide, their cell type is set and cannot change.
b)
They can develop into only one type of cell.
c)
They can become any cell type in the body.
d)
They are found in adults.
6.
Which type of cell is unspecialized?
a)
skin cell
b)
stem cell
c)
liver cell
d)
muscle cell
7.
Which is true about Adult Stem Cells.
a)
They no longer do mitosis, their cell type is set and can not change
b)
They are limited to the type of cell they can become.
c)
They can become any cell type in the body
d)
They are found in embryos
8.
what is the role of stem cells in the body
a)
fight against infection
b)
provide specialized roles in the body
c)
used for fertility treatment
d)
they produce new specialized cells in the body to replace old cells that are used up
9.
What is cell differentiation?
a)
The process where unspecialized cells become different in structure and function.
b)
When DNA controls the cell cycle.
c)
The ability of cells to make more cells.
d)
The ability of cells to maintain homeostasis.
10.
Stem cell research is controversial because in involves?
a)
social issues
b)
ethical issues
c)
educational issues
d)
economical issues
11.
What is one goal of cellular differentiation/specialization?
a)
To create specialized cells to help organism maintain homeostasis.
b)
To many cells.
c)
To make stem cells
d)
to make single celled organisms
12.
What process best explains how muscle cells and nerve cells can develop from the same fertilized egg?
a)
genetic engineering
b)
survival of the fittest
c)
differentiation
d)
selective breeding
13.
All our cells, except sex cells like eggs or sperm, have ___________ DNA
a)
different
b)
similar
c)
exactly the same
d)
half the amount of
14.
Specialised Cells have...
a)
All of their genes switched ON
b)
All of their genes switched OFF
c)
Some of their genes switched OFF
d)
I don't know they like can choose?!?!
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