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



What does permeable mean A membrane is said to be permeable to a substance if substances can pass through it
What does impermeable mean Substances cannot pass through it
What does diffusion mean The spreading out of molecules from a region of high concentration to a region of low concentration
What is a solvent A solvent is a liquid that dissolves other substances eg water
What is a solute A solute is a substance that has been dissolved eg salt dissolved in water
What is a solution A solution is a mixture of a solute and a solvent eg salt water
What is osmosis Osmosis is the movement of water molecules across a selectively permeable membrane from a region of high water concentration to a region of low water concentration
What is aoemba Aoemba is a single celled organism that lives in fresh water pools and ponds
What is turgor/turgid pressure The pressure of the cytoplasm and vacuole against the cell wall of the plant
What is plasmolysis The loss of water from the cytoplasm and the movement of the cell membrane away from the cell wall
Created by: eimeardoyle2014