Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Membrane Structure 2

The Structure and Functions of Membrane

QuestionAnswer
Hydrophobic Water hating
Hydrophilic Water loving
What does ECM stand for and what is it? extra-cellular matrix; which contains various protein fibers and also very large and complex carbohydrate molecules.
What are protein bonded to? ECM and cytoskeleton
what is Glycolipid Lipid in plasma membrane that beats a carbohydrate chain attached to a hydrophobic tail.
What is Glycoprotein Protein in the plasma membrane that bears a carbohydrate chain.
What is Glycocalyx Gel like capsule outside a cell wall
What are the Functions of Protein? Channel, carrier, cell recognition,Receptor, Enzymatic, Junction.
Channel Protein does what? passage of molecules through the membrane.
What is a Carrier Protein? They combine with a substance and help it move across the membrane.
What are cell recognition proteins help the body to recognize when it is being invaded by pathogens
What are Receptor proteins have a shape that allows molecules to bind to it.
What is a Enzymatic protein carry out metabolic reactions directly
What are Junction proteins signaling molecules that pass through gap junctions
What is Plasma membrane it regulates the passage of molecule into and out of the cell
What is concentration gradient movement from an area where the concentration is high to an area where their concentration is low.
What is aquaporin water passively moves through a membrane channel protein
What is Diffusion is the movement of molecules from a higher to a lower concentration EX: lipid soluble molecules and gases (DOWN concentrations) Temperature, pressure and size matter.
Solution is Solute + Solvent
Osmosis is water move from higher to lower concentrations
Osmosis pressure is pressure needed to stop the mov't of water across the membrane; tends to drive water into the cell
Isotonic solutions Solutions that don't change and that have equal concentrations
Hydrotonic solutions Ex: swelling and bursting a lower concentration to a higher concentration.
Hypertonic solution when you have higher concentrations and they become lower concentration
turgor pressure swelling of a plant cell do to hypro-tonic solution
Facilitated transport Passive transfer of a substance into or our of a cell along a concentration gradient by a process that requires a carrier
Active Transport molecule or ion moves through the plasma membrane; moving from a lower concentration to a higher concentration.
Sodium- potassium pump Carrier protein in the plasma membrane that moves sodium ions out and potassium ions into the cell
Step 1 of sodium- potassium pump carrier has a shape that allows it to take up 3 NA+
Step 2 of sodium- potassium pump ATP is split and phosphate group attaches to carrier
Step 3 of sodium-potassium pump change in shape results and causes carrier to release 3 NA+ outside the cell
Step 4 of sodium-potassium pump Carrier has a shape that allows it to take up 2 KA+
Step 5 of sodium-potassium pump Phosphate group is released from carrier
Step 6 of sodium-potassium pump Changes in shape results and causes carrier to release 2 KA+ inside the cell
Bulk Transport macromolecules enter and exiting a cell through vesicles
Exocytosis process in which an vesicle fuses with the plasma membrane so that the vesicle's contents are released outside the cell
Endocytosis process by which substances are moved into cell from the environment by phagocytosis (cell eating) or pinocytosis (cell drinking).
Phagocytosis Large substances
Pinocytosis very small particle
Adhesion junctions mechanically attach adjacent cells
tight junctions tissues that serve as a barrier
Gap Junctions allows cells to communicate
Plasmodesmata numerous narrow membrane lined channels that pass through the cell wall
Created by: krisfair
Popular Biology sets

 

 



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