Selectively Permeable
Diffusion
Osmosis
Active / Passive Transport
Facilitated Diffusion
100

The ____ is ______

Cell membrane    Selectively permeable

100

This is a form of Passive or Active Transport

What is Passive. 

100

Is osmosis passive or Active transport

Passive

100

Moving ____ across the cell ____ requires no _____

materials; membrane; energy

100

Name one type of molecule that can defuse across the cell membrane. 

Oxygen; carbon  dioxide; water

200

The organelle that is selectively permeable.

What is the cell membrane?

200

Does diffusion move molecules to a higher or lower concentration.

Higher

200

Is osmosis the diffusion of a membrane or selectively permeable membrane.

Selectively permeable membrane

200

In order to _____ this difference in the concentration of _______ cells use ____ transport. 

maintain; molecules; active

200

What does facilitate mean

to make easier


300

fill in the blanks 

A permeable ______ allows _____, and ______ to pass through

membrane, liquids, and gases

300

The diffusion of _____ into the cell does not _______ the cell to use any of it's ______

Oxygen; require; energy


300

Osmosis is ...

What is the diffusion of water molecules.

300

The two ways of active transportation.

What is endocytosis and exocytosis.

300

______ in the cell membrane form _____ which the ______ can pass.

Proteins; channels; sugars

400

Definition of selectively permeable

What is when substances get across the membrane while others can't

400

The act of diffusion.

What is the process by which molecules move from an area of higher concentration to an area of lower concentration. 

400

Many _____ processes depend on _____ to bring them the water they need to _____.

cellular, osmosis, function 

400

Three ways of Passive Transportation. 

Diffusion, Osmosis, Facilitated Diffusion

400

Facilitated Diffusion is ...

When proteins in the cell membrane make channels so that sugars  can pass through.

500

The reason why the cell being selectively permeable may help protect the cell.


DOES NOT HAVE TO BE EXACT 

The cell may be able to not let in invaders if it blocks certain substances out.

500

True or False 

Diffusion is caused by molecules colliding

True

500

Can osmosis only push water into the cell

No

500
Does Active or Passive require energy

Active

500

One substance that can't defuse as easily 

What is sugar