WorksheetsCell Transport
Total questions: 20
Worksheet time: 27mins
________________ regulates what enters and leaves a cell.
Cell membrane
Nucleus
Mitochondria
Cytoplasm
A cell membrane is ____________, allowing certain substances through while not others.
permeable
semipermeable.
Non-permeable
Unpliable
The phospholipid bilayer is made up of (a) (water-loving) heads and (b) (water-fearing) tails.
(a) does NOT require energy.
(a) DOES require energy.
What is DIFFUSION? Draw it!

Simple diffusion is the movement of (a) particles (b) the cell membrane, from an area of (c) concentration to an area of (d) concentration.
Facilitated diffusion is the diffusion of larger particles or particles with a charge through __________.
carbohydrates
nucleic acids
transport proteins
mitochondria
The diffusion of water through a permeable membrane is called ________.
simple diffusion
active transport
facilitated diffusion
osmosis
Which of the following CANNOT diffuse across the phospholipid bilayer?
oxygen, O2
carbon dioxide, CO2
glucose
water, H2O
Match the following image to its solution.
Isotonic solution
Hypotonic solution
Hypertonic solution
If the concentration of a salt solution is LOWER OUTSIDE the cell than inside the cell,
draw an arrow to show what will happen by osmosis. (i.e. in what direction will water move)
When the concentration of dissolved particles is the same throughout a solution, the system is said to be in (a) .
True/False: Active transport always requires a transport protein to move materials across the cell membrane.
True
False
Active transport requires energy (ATP) to move material (a) the concentration gradient (low to high).
What is the process shown in the following picture?
Pimple popping
diffusion
exocytosis
endocytosis
Name the process shown in the following picture.
endocytosis
exocytosis
osmosis
difusion
In your own words, describe WHAT the amoeba is doing and HOW the amoeba is doing it. (*Your response must include: cell membrane, endocytosis, and vesicle.
When you blow into a balloon, there is a higher concentration of air molecules inside a balloon that has just been inflated than outside the balloon. When you tie the balloon off, how come, over time the balloon deflates? Explain your answer.
True/False: Bulk transport requires energy (ATP) to move materials into and out of the cell.
True
False
