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cell membrane/transport

Total questions: 41

Worksheet time: 44mins

Name
Class
Date
1.
What does hydrophobic mean?
a)
Likes water as a friend
b)
Dissolves in water
c)
Loves water
d)
Hates water
2.
What does hydrophilic mean?
a)
Fills water up
b)
Hates water
c)
Loves water
d)
Only associates with water if it has to
3.
Which is the protein?
a)
A
b)
B
c)
C
d)
D
4.
This picture show the molecules getting help across the membrane.  The vocabulary word that best describes this is
a)
diffusion
b)
osmosis
c)
facilitated diffusion
d)
active transport
5.
The cellular process in which materials are moved across a membrane from an area of low concentration to an area of high concentration is called
a)
Osmosis
b)
Simple Diffusion
c)
Active Transport
d)
Passive Transport 
6.
The picture is an example of...
a)
active transport
b)
passive transport
c)
diffusion
d)
osmosis
7.
What is a bad description of the cell membrane?
a)
Selectively permeable
b)
Fluid Mosaic Model
c)
Solid Barrier
d)
Lipid Bilayer
8.
This picture represents which type of cellular transport?
a)
passive transport
b)
endocytosis
c)
exocytosis
d)
osmosis
9.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
10.

Which type of transport requires energy?

a)

Endocytosis

b)

Exocytosis

c)

Active Transport

d)

Diffusion

11.
The cell membrane, or plasma membrane, is made up of a lipid bilayer in which hydrophilic heads face outward and hydrophobic tails face inward.
This arrangement within the cell membrane allows it to 
a)
fuse with ribosomes during DNA replication.
b)
absorb water from the cytoplasm whenever necessary.
c)
keep out all viral and bacterial infections.
d)
control the movement of substances in and out of the cell.
12.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHOBIC?

a)

the phosphate "head"

b)

the lipid "tails"

13.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHILIC?

a)

the phosphate "head"

b)

the lipid "tails"

14.
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
15.

____ cells have a cell membrane.

a)

No

b)

All

c)

Only prokaryote

d)

Only eukaryote

16.
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
17.

Passive Transport uses ____ energy

a)

no

b)

a lot of

c)

a little bit of

d)

some

18.

Passive Transport is the movement of particles across the membrane from an area of [ ___ ] to an area of [ ___ ]

a)

high to low

b)

low to high

c)

low to low

d)

high to high

19.
Which type of transport requires an input of energy?
a)
Passive Transport
b)
Osmosis
c)
Simple Diffusion
d)
Active Transport
20.

The cell membrane is made up of a phospholipid bilayer. What does "bilayer" mean?

a)

one layer

b)

two layers

c)

laminated

d)

bilateral

21.
Active transport requires energy because...
a)
The cell is moving something against a concentration gradient
b)
The cell is moving something with a concentration gradient
22.
Endocytosis and Exocytosis are examples of...
a)
Active Transport
b)
Passive Transport
23.
During diffusion
a)
substances (things) moves from high to low concentration
b)
water moves when energy is used
c)
large or oddly shaped molecules move across a cell membrane
d)
water moves from high to low concentration
24.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup 
d)
no concenteraion gradient
25.
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
26.

What is DIFFUSION?

a)
b)
c)
d)
27.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
28.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
29.
A person should never drink salty water because their cells would
a)
shrink
b)
expand
30.

Osmosis is what type of transport?

a)

Active

b)

Passive

31.

If the dots represent sugar, what direction will water flow?

a)

Into the cell

b)

Out of the cell

c)

Into and out equally (equilibrium)

32.

If the percentage represents sugar, what direction will water flow?

a)

Into the cell

b)

Out of the cell

c)

Into and out equally (equilibrium)

33.

True or false: Water always moves from the hypotonic solution to the hypertonic solution

a)

True.

b)

False

34.

An animal cell placed in a hypertonic (salty) solution will ___________

a)

Shrink (get smaller)

b)

Swell up (grow bigger)

c)

Stay the same

35.

_______ regulates what enters and leaves a cell.

a)

Cell Membrane

b)

Nucleus

c)

Mitochondria

d)

Cytoplasm

36.
Ideally, your cells should be in a(n) _______ solution
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Cola
37.

Where will the water go?

a)

Into the cell

b)

Out of the cell

c)

Equally in & out - it's isotonic

d)

There is no water

38.

A blood cell is placed into the jar, as seen. Where will the water go?

a)

Into the cell

b)

Out of the cell

c)

Equally in & out - it's isotonic

d)

The water is a lie

39.

HYPO means...

a)

Low

b)

High

c)

Equal

d)

Fat

40.

ISO means...

a)

Low

b)

A lot

c)

Equal

d)

Mammal

41.

A ________ solution has a higher concentration of water molecules.

a)

hypotonic

b)

isotonic

c)

hypertonic

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