Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Your email address is only used to allow you to reset your password. See 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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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

lesson 3 and 4

passive transport is the movement of substances through a cell membrane without using the cell's energy
diffusion is the movement of substances from an area of higher concentration to an area of lower concentration
osmosis is the diffusion of water molecules only through a membrane
facilitated diffusion when molecules pass through a cell membrane using special proteins called transport proteins
active transport is the movement of substances through a cell membrane only by using the cell's energy
endocytosis is the process during which a cell takes in a substance by surrounding it with the cell membrane
exocytosis is the process during which a cell's vesicles release their contents outside the cell
cellular respiration is a series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP
glycolysis is a process by which glucose, a sugar, is broken down into smaller molecules
fermentation is a reaction that eukaryotic and prokaryotic cells can use to obtain energy from food when oxygen levels are low
photosynthesis is a series of chemical reactions that convert light energy, water, and CO2 into food energy molecule glucose and give off oxygen
Created by: spiveshy5637
Popular Science sets




Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards