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WorksheetsCell Membrane
Total questions: 40
Worksheet time: 23mins
Name
Class
Date
1.
"Water Loving"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
2.
"Water Fearing"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
3.
___________ allow cells to recognize each other and act like ID tags.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
4.
Describes the arrangement of the cell membrane as bendable and made of many parts.
a)
The Fluid Mosaic Model
b)
The Major Mobility Model
c)
The Crazy Cell Model
d)
The Maze Model
5.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
6.
___________ 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
7.
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
8.
Which of the following is responsible for getting large or charged (polar) molecules across the cell membrane?
a)
E
b)
B
c)
C
d)
D
9.
Part of the plasma membrane responsible for cell recognition...
a)
C
b)
E
c)
B
d)
D
10.
The _____ in the plasma membrane prevents the fatty acids tails from sticking together.
a)
carbohydrate chains
b)
cholesterol
c)
proteins
d)
lipids
11.
Protein...
a)
A
b)
B
c)
C
d)
D
12.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
E
13.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A
14.
A phospholipid has 2 parts. What are they called?
a)
Hydrophilic Head, Hydrophobic Tail
b)
Hydrophobic Head, Hydrophilic Tail
15.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
a)
phospholipid
b)
Carbohydrate
c)
Cholesterol
d)
Protein
16.
A specific molecule that binds with a receptor to make something happen.
a)
Ligand
b)
Receptor
c)
Lipid
d)
Magic Potion
17.
Which letter indicates an integral protein?
a)
E
b)
F
c)
H
d)
I
18.
Special proteins help move particles, but NO energy is needed. This is..
a)
facilitated diffusion
b)
exocytosis
c)
active transport
d)
equilibrium
19.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
20.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
21.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
22.
This picture represents which type of cellular transport?
a)
passive transport
b)
endocytosis
c)
exocytosis
d)
osmosis
23.
A cell in an isotonic solution will
a)
swell
b)
shrink
c)
stay the same size
d)
impossible to tell
24.
why do cells move things in and out?
a)
they are bored
b)
why not
c)
homeostatis, yo!
d)
kittens
kittens
kittens
25.
Which is true about active transport?
a)
It requires energy
b)
it does not require energy
c)
It moves substances down the concentration gradient
d)
it moves material from high to low concentration
26.
The picture is an example of...
a)
active transport
b)
passive transport
c)
diffusion
d)
osmosis
27.
If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is _______ compared to the cell.
a)
hypertonic-
b)
hypotonic
c)
isotonic
28.
This type of transport requires NO ENERGY and goes from HIGH to LOW concentration?
a)
Active
b)
Cellular
c)
Passive
29.
Select all of the molecules which move into a cell.
a)
Carbon Dioxide
b)
Urea
c)
Glucose
d)
Oxygen
30.
Select all of the molecules which move out of a cell.
a)
Carbon Dioxide
b)
Urea
c)
Glucose
d)
Oxygen
31.
What are the carbohydrates in the cell membrane for?
a)
to form channels and pumps
b)
to help cells identify one another
c)
to make the membrane strong
32.
The cell is an _____ system. It requires the constant inflow of matter and energy and outflow of waste.
a)
closed
b)
open
c)
false
d)
circulatory
33.
True or false: Some things are not allowed to enter the cell at all.
a)
True
b)
False
34.
What type of transport is this?
a)
facilitated diffusion
b)
active transport
c)
diffusion
d)
osmosis
35.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
36.
The difference in the concentration of a substance from one location to another is called
a)
diffusion
b)
osmosis
c)
concentration gradient
d)
passive transport
37.
The movement of molecules against a concentration gradient
a)
simple diffusion
b)
facilitated diffusion
c)
active transport
d)
osmosis
38.
Two examples of passive transport are
a)
Earth and Sun
b)
Diffusion and Osmosis
c)
Energy and Wind
d)
None of the above
39.
How does a cell maintain homeostasis?
a)
Regulates what enters and leaves the cell
b)
Flexibility
c)
Protective barrier
d)
Structure and support
40.
Most active transport proteins use energy from the breakdown of:
a)
nucleus
b)
cell membrane
c)
ATP
d)
mitochondria
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