Save
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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
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

Transport in cells

TermDefinition
transport taking in and distributing materials across the cell membrane
active transport uses energy - has to go from an area of low concentration to high concentration (think walking into gym when everyone is coming out) - against the concentration gradient
passive transport no energy needed - high concentration to low concentration (think spraying perfume on one side of room and smelling it on other side after a while)
simple diffusion usually gases and other small molecules getting in and out of cell
facilitated diffusion molecule like glucose that needs help getting in and out - Protein with a channel through it
osmosis movement of water in and out of the cell
Phospholipid bilayer or fluid mosaic model terms for cell membrane
semi-permeable or selectively permeable cell membrane lets only certain things in and out of cell
phospholipids the layers that make up the cell membrane that have a head (glycerol) and a tail(fatty acid)
Hydrophobic hates water- the tail
Hydrophilic loves the water - the head
pinocytosis takes in liquids like drinking through a straw
phagocytosis takes in large things like bacteria by engulfing it like pac man
solubility dissolves in water
Hypertonic too much water goes out - looks like raisin( the salt water)
Hypotonic too much water goes in - cell will burst
Isotonic water equal inside and outside
endocytosis taking in large molecules like protein and starch - requires active transport
exocytosis pushing out molecules of waste through vesicle
cholesterol keeps cell membrane flexible(can bend)
dynamic equilibrium having equal amounts of a molecule inside and outside the cell
Created by: daday
 

 



Voices

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:
Retries:
restart all cards