Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Cell Membrane

Fluid Mosiac A model that refers to how the lipid bilayer acts more like a liquid than a solid. Also, has proteins.
Active Transport Energy Needed. Low to High concentration. Material moving through a protein channel.
Passive Transport No Energy needed. High to Low concentration. Includes- Osmosis, Diffusion, and Facilitated Diffusion.
Diffuion High to Low movement of molecules. No Energy.
Osmosis Diffusion of water from an area of High concentraion to an area of Low concentration.
Endocytosis Materials entering cells. ( ENdocytosis)
Exocytosis Materials exiting cells. ( EXocytosis)
Hydrophobic Substance that resists dissolving in water.
Hydrophilic Mixes with water.
Isotonic No change in cell shape. Describes a solution whose solute concentration is equal to the solute concentraion inside the cell.
Phospholipid Molecule that makes up the bilayer of biological membranes.
Hypotonic Solute concentration is lower than the solute concentraion inside the cell. ( LOW )
Hypertonic Solute concentraion is higher than the solute concentaion inside the cell. ( HIGH )
Protein Channel Passes large molecules that can't go through the membrane. It is like a channel that has a path for larger molecules to go through.
Facilitated Diffusion Passive Transport. Uses transport proteins to move substances down the concentration gradient.
Concentration Gradient Substances moving from High to Low areas.
Solution Solutes dissolved in solvents.
Solute Substance dissolved in a solution
Solvent In a solution, substance dissolves in solutes.
Created by: Torr_Lang