WorksheetsCell Membrane
Total questions: 20
Worksheet time: 13mins
Name
Class
Date
1.
What is this image?
a)
cell membrane
b)
proteins
c)
carbohydrates
d)
lipids
2.
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
3.
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
4.
What does "bilayer" mean?
a)
one layer
b)
two layers
c)
laminated
d)
bilateral
5.
Most of the cell membrane is made of...
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic acids
6.
What is embedded in the phospholipid bilayer?
a)
proteins
b)
salt
c)
water
d)
trapped animals
7.
What forms the channels and pumps in the phospholipid bilayer?
a)
carbohydrates
b)
proteins
c)
hydrophilic heads
d)
lipids
8.
Hydrophilic means...
a)
water-loving
b)
water-fearing
c)
nonpolar
d)
lipid soluble
9.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A
10.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
E
11.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
a)
phospholipid
b)
Carbohydrate
c)
Cholesterol
d)
Protein
12.
___________ allow cells to recognize each other and act like ID tags.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
13.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
14.
___________ 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
15.
___________ form the two layers of the cell membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
16.
It forms a boundary between the inside of the cell and the outside of the cell.
a)
Cell Membrane
b)
Lipid Cleric Layer
c)
Membrane Gate
d)
Protein Receptors
17.
Something is ___________ ____________
when some molecules can cross the membrane while others cannot.
when some molecules can cross the membrane while others cannot.
a)
Selectively (or Semi) Permeable
b)
Totally Transparent
c)
Liquid Licorice
d)
Heavily Patrolled
18.
Which of the following is NOT part of the cell membrane?
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic Acids
19.
The _______________ of the phospholipids in a cell membrane face inward towards each other.
a)
heads
b)
tails
c)
stems
d)
sticks
20.
Which two molecules are embedded in the cell membrane?
a)
chlorophyll
b)
cholesterol
c)
glycolipids
d)
glycogen
100 %
