Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.

Remove ads
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards




share
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

5.1 Bio

TermDefinition
passive transport the movement of substances across a cell membrane without the use of energy by the cell
diffusion the movement of particles from regions of higher density to regions of lower density
concentration gradient a difference in the concentration of a substance across a distance
equilibrium in biology, a state that exists when the concentration of a substance is the same throughout a space
osmosis the diffusion of water or another solvent from a more dilute solution (of a solute) to be a more concentrated solution (of the solute) through a membrane that is permeable to the solvent
hypotonic describes a solution whose solute concentration is lower then the solute concentration inside a cell
hypertonic describes a solution whose solute concentration is higher than the solute concentration inside a cell
isotonic when the concentration of solutes outside and inside the cell are equal, the outside solution is said to be isotonic to the cytosol.
contractile vacuole in protozoans, an organelle that accumulates water and then releases it periodically to maintain pressure
turgor pressure the pressure that is exerted on the inside of cell walls and that is caused by the movement of water into the cell
plasmolysis the contraction or shrinking of the cell membrane of a plant cell in a hypertonic solution in response to the loss of water by osmosis
cytolysis the bursting of a cell
facilitated diffusion the transportation of substances through a cell membrane along a concentration gradient with the aid of carrier proteins
carrier protein a protein that transports substances across a cell membrane
ion channel a pore in a cell membrane through which ions can pass
Created by: ChambersA20