WorksheetsCell Membrane and Transport
Total questions: 20
Worksheet time: 19mins
Name
Class
Date
1.
Which statement best describes the cell membrane?
a)
The protective outer layer that controls what enters and leaves the cell.
b)
Stores information on DNA molecules / Directs and controls the activities of the cell.
c)
A folded membrane that moves materials around inside cells / Also acts as the site of manufacturing materials needed by the cell.
d)
The smallest organelle with a huge job / Makes proteins, which are the building blocks of the body.
2.
What does "bilayer" mean?
a)
one layer
b)
two layers
c)
laminated
d)
bilateral
3.
What forms the channels and pumps in the phospholipid bilayer?
a)
Carbohydrates
b)
Proteins
c)
Hydrophilic heads
d)
Lipids
4.
True or False: Regulating what enters and leaves the cell helps the cell maintain homeostasis.
a)
True
b)
False
5.
What do the darker brown structures represent?
a)
Phospholipids
b)
Cholesterol Proteins
c)
Membrane Proteins
d)
Cytoskeleton Filaments
6.
Hydrophilic means...
a)
water-loving
b)
water-fearing
c)
nonpolar
d)
lipid soluble
7.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A
8.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
E
9.
What is one major difference between passive and active transport?
a)
Passive transport uses energy; active transport does not.
b)
Both types of transport use energy.
c)
Active transport uses energy; passive transport does not.
d)
No difference. They are both the same.
10.
Which type of Passive Transport is being represented in this picture?
a)
Passive Diffusion
b)
Simple Diffusion
c)
Active Diffusion
d)
Facilitated Diffusion
11.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
12.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
13.
Which of the following terms means the movement of water from high concentration to low concentration?
a)
diffusion
b)
prokaryotes
c)
osmosis
d)
concentration
14.
This picture represents which type of cellular transport?
a)
passive transport
b)
endocytosis
c)
exocytosis
d)
osmosis
15.
"Water Fearing"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
16.
What is diffusion?
a)
when molecules move
b)
when molecules move from a high concentration to a low.
c)
no movement
d)
molecules move everywhere
17.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium
18.
In which direction will these molecules diffuse?
a)
from right to left
b)
from left to right
c)
they will not move at all
d)
they will move in both directions equally
19.
___________ allow cells to recognize each other and act like ID tags.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
20.
Phospholipids are made up of two parts. Which of the following correctly describes these two parts?
a)
hydrophobic head, hydrophilic tail
b)
hydrophobic head, hydrophobic tail
c)
hydrophilic head, hydrophobic tail
d)
hydrophilic head, hydrophilic tail
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