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Cell Membrane and Types of Transport

Total questions: 49

Worksheet time: 45mins

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.
What is embedded in the phospholipid bilayer?
a)
proteins
b)
salt
c)
water
d)
trapped animals
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 another term for "selectively permeable"?
a)
porous
b)
completely permeable
c)
permanent
d)
semipermeable
10.
A phospholipid has 2 parts. What are they called? 
a)
Hydrophilic Head, Hydrophobic Tail 
b)
Hydrophobic Head, Hydrophilic Tail 
11.
The ___ is the thing being dissolved
a)
solute
b)
solvent
12.
Solvent is best defined as-
a)
a mixture in which the substances are spread out evenly between one another and cannot be told apart
b)
the ability of a substance to dissolve in another substance
c)
a substance that dissolves in another substance
d)
a substance into which another substance dissolves
13.

Concentration is

a)

the amount of solute in the solvent

b)

the amount of solvent in the solute

c)

density

d)

particle size

14.

Both solutions have equal volumes of 30 mL. Which solution is more diluted?

a)

Solution X

b)

Solution Y

15.

Which term describes the relatively constant internal physical conditions of an organism?

a)

cell specialization

b)

homeostasis

c)

permeability

d)

unicellularity

16.

Which one does not belong with the others

a)

No energy

b)

Molecules move from high to low concentration

c)

Passive transport

d)

Energy needed

17.

Which is not a form of passive transport?

a)

Osmosis

b)

Facilitated diffusion

c)

Active transport

d)

Diffusion

18.

Passive transport moves molecules from...

a)

low concentration to high concentration

b)

high concentration to low concentration

19.

Which type of Passive transport uses the help of a transport protein?

a)

Osmosis

b)

Facilitated diffusion

c)

Simple diffusion

20.

What type of passive transport moves water molecules from high concentration to low concentration?

a)

Simple diffusion

b)

Osmosis

c)

Active transport

d)

Facilitated diffusion

21.

What biomolecule is number one pointing to?

a)

Lipid

b)

Protein

c)

Nucleic Acid

d)

Carbohydrate

22.

What is the name of structure 2?

a)

Glucosamine

b)

Phospholipid bilayer

c)

Hydrophrenous

d)

Protein channel

23.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration 
b)
when molecules move from a high concentration to a low concentration.
c)
no movement 
d)
molecules move everywhere
24.
What is the definition of  Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration (where the molecules are more crowded together) to a area of low concentration (where molecules are more spread apart)
25.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
26.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
27.
Equilibrium?
a)
a large  amount of substance on  side of the cell and a small amount on the other side
b)
a small  amount of substance on  side of the cell and a large amount on the otherside
c)
equal amount of substance on either side of the membrane  
d)
no particles on either side of the a cell membrane
28.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
29.
If there is 5 percent water inside a cell and 5 percent water outside a cell
a)
more water will move inside the cell
b)
more water will move outside the cell
c)
There will be no movement of water cells
30.

Passive Transport means

a)

Energy is used

b)

No energy is used

c)

Energy is created

31.
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
32.
The cell membrane is selectively permeable, which means...
a)
All materials can enter and leave the cell
b)
Certain things can enter while others cannot
c)
The cell manually sorts through all materials
d)
Only certain cells can interact with the cell.
33.
Something is ___________ ____________
when some molecules can cross the membrane while others cannot. 
a)
Selectively (or Semi) Permeable 
b)
Totally Transparent
c)
Liquid Licorice 
d)
Heavily Patrolled 
34.

Based on the water movement, what are the correct labels for the left and right sides of the membrane in the 'before' picture?

a)

The left is isotonic and the right is hypertonic.

b)

The left is hypotonic and the right is hypertonic.

c)

The left is hypertonic and the right is hypotonic.

d)

The left is hypotonic and the right is isotonic.

35.

Which image best represents facilitated diffusion?

a)
b)
c)
d)
36.

Which of the types of transport are passive?

a)

A only.

b)

A and B only.

c)

B and C only.

d)

C only.

37.

Why has water moved into the cell in the hypotonic solution?

a)

The cell was deflated and needed to be inflated.

b)

The concentration of solvent was higher inside than outside the cell.

c)

The concentration of solute (salt) was higher outside the cell than inside.

d)

The concentration of solute (salt) was higher inside the cell than outside.

38.

Transport of water molecules across a cell membrane allows cells to maintain stable internal conditions in an ever-changing environment. This stable internal condition is called _____.

a)

homeostasis

b)

energy transfer

c)

osmosis

d)

carrying capacity

39.

A red blood cell is placed into a solution. The red blood cell has a lower concentration of protein and sugar than the solution, as shown in the diagram. What is most likely to occur?

a)

Water from the solution will move into the red blood cell.

b)

Water from the red blood cell will move into the solution.

c)

Protein and sugar will move from the solution into the red blood cell.

d)

Protein and sugar will move from the red blood cell into the solution.

40.

What is DIFFUSION?

a)
b)
c)
d)
41.
In this image, the cell is using which type of molecular transport?
a)
Osmosis
b)
Diffusion 
c)
Endocytosis
d)
Exocytosis 
42.
This picture represents which type of cellular transport?
a)
passive transport
b)
endocytosis
c)
exocytosis
d)
osmosis
43.

What type of transport is this?

a)

Diffusion

b)

Facilitated Diffusion

c)

Active Transport

d)

Osmosis

44.

What type of transport is this?

a)

Endocytosis

b)

Exocytosis

c)

Active Transport

d)

Diffusion

45.

Which type of passive transport only involves water?

a)

Diffusion

b)

Osmosis

46.
The picture is an example of...
a)
active transport
b)
passive transport
c)
diffusion
d)
osmosis
47.
ATP is a form of energy.
a)
Passive Transport
b)
Active Transport
48.
The diagram below represents a cell and some molecules in its environment. Which molecule would require the use of energy in order to be brought into the cell?
a)
1
b)
2
c)
3
d)
4
49.

What changes to this model need to be made to make it more accurate?

a)

It needs to show energy being used.

b)

The concentration labels need to switch sides.

c)

The nucleus needs to be labeled.

d)

No changes needed. The model is accurate.

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