wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Recap of Cells and Diffusion

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

The basic building blacks from which all living organisms are made are

a)

cells

b)

DNA

c)

chromosomes

d)

Amoeba

2.

Diffusion & Facilitated Diffusion are both __________ transport.

a)

Passive

b)

Active

c)

Easy

d)

Free

3.

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

4.

Passive Transport uses ____ energy

a)

no

b)

a lot of

c)

a little bit of

d)

some

5.

_____________ is the free movement of particles across the membrane with the concentration gradient

a)

diffusion

b)

facilitated diffusion

c)

active transport

d)

fusion

6.

An example of diffusion is

a)

CO2 and O2 exchange in the lungs

b)

Glucose transport

c)

Na+ / K+ Pumps

d)

Exocytosis

7.

What is the movement of particles with the concentration gradient using protein "helpers"?

a)

diffusion

b)

facilitated diffusion

c)

active transport

d)

enzymatic reactions

8.

What is a difference between diffusion and facilitated diffusion?

a)

movement of particles from [high] to [low]

b)

a protein "helper"

c)

movement of particles from [low] to [high]

d)

energy

9.

The condition in which all acting influences are balanced.

a)

equilibrium

b)

dynamic equilibrium

c)

net movement

10.

occurs when the concentration of particles is higher in one area than another.

a)

concentration gradient

b)

concentration

c)

[high] --> [low]

11.
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
12.
What does "bilayer" mean?
a)
one layer
b)
two layers
c)
laminated
d)
bilateral
13.
What is embedded in the phospholipid bilayer?
a)
proteins
b)
salt
c)
water
d)
trapped animals
14.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
15.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
16.
What is another term for "selectively permeable"?
a)
porous
b)
completely permeable
c)
permanent
d)
semipermeable
17.
The _____ in the plasma membrane prevents the fatty acids tails from sticking together. 
a)
carbohydrate chains
b)
cholesterol
c)
proteins
d)
lipids