WorksheetsCell membrane
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
The function of the plasma membrane is....
a)
to regulate what enters and leaves the cell.
b)
fight bacteria and viruses that enter the cell.
c)
provide rigid support and protection to the cell.
d)
make sure each cell can move
2.
What is NOT TRUE about the cell membrane
a)
It controls what enters and leaves the cell
b)
Semipermeable
c)
Phospholipid bilayer
d)
Contains digestive enzymes
3.
What does "bilayer" mean?
a)
one layer
b)
two layers
c)
laminated
d)
bilateral
4.
Most of the cell membrane is made of...
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic acids
5.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A
6.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
E
7.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
a)
phospholipid
b)
Carbohydrate
c)
Cholesterol
d)
Protein
8.
___________ allow cells to recognize each other and act like ID tags.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
9.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
10.
___________ have 2 functions in the cell membrane.
1.) They act like gatekeepers, only let certain things in.
2.) Enzyme receptors embedded in the membrane.
1.) They act like gatekeepers, only let certain things in.
2.) Enzyme receptors embedded in the membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
11.
___________ form the two layers of the cell membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
12.
A balance that an organism maintains by regulating what goes into and out of the cell.
a)
Hypertonic
b)
Homeostasis
c)
Plasmolysis
d)
Hypotonic
100 %
