Diffusion and osmosis
facilitated diffusion
Active transport
Vocabulary
100
The movement of materials without the use of energy.
What is Passive transport?
100
These proteins help aid in moving large molecules across a membrane with out the input of energy.
What are carrier proteins?
100
This molecule is what provides the energy for active transport.
What is ATP?
100
This is the difference in the amount of molecules across a distance.
What is a concentration gradient?
200
When a cell begins to swell it is said to be in this type of solution.
What is hypotonic?
200
This is an example of a molecule that is too large to diffuse easily through a membrane.
What is glucose.
200
In the sodium potassium pump ____ sodium ions go ____of the cell.
What is 3 and out?
200
When the concentrations of solutes outside and inside the cell are equal, the outside solution is considered this.
What is isotonic?
300
This is used to describe a solution that has more dissolved solutes.
What is hypertonic?
300
These are a type of carrier protein that transfers charged atoms across a membrane.
What are ion channels?
300
In the sodium potassium pump ____ potassium ions go ____ to the cell.
What is 2, in?
300
This is a type of endocytosis, where large particles or cells are ingested.
What is phagocytosis?
400
This happens when the concentration of molecules is the same throughout a space.
What is equilibrium?
400
This happens after a molecule has binded to a carrier protein. This is what allows the protein to release the contents to the other side of the membrane.
What is change shape?
400
This is a type of endocytosis that transfers liquids.
What is pinocytosis?
400

Plasma membrane is referred to as ___________ membrane.

What is semipermeable?

500
These two compounds can readily diffuse through the membrane because of their nonpolar nature.
What is oxygen and carbon dioxide.
500
These allow some ion channels to open and close and do so in response to a certain stimuli. i.e.-electrical signals
What are gates?
500
These are used in exosystosis where they fuse with the membrane and release their contents.
What are vessicles?
500
This is the bursting of cells.
What is cytolysis?