Cell Membrane Components
What part of the phospholipid bilayer is hydrophilic?
The Head
Does isotonic mean same, higher, or lower?
Same
Yes or no: can water pass through simple diffusion?
Yes
What is ATP?
Energy for the cell
What job does a carbohydrate have in the cell membrane?
Cell identification
What does hypo mean in hypotonic?
Low
What is facilitated diffusion?
The movement of molecules from a higher concentration to a lower concentration using a protien.
What are 2 kinds of transport?
Protein pump and bulk transport
What’s the job of cholesterol in the cell membrane?
Provides structure
What’s the result of hypertonic solute?
Cell will grow
What does a protein channel do?
It allows molecules to pass through
True or false: do proteins create a passage for things to go in and out of the cell?
True
What is osmosis?
Water leaving and entering the cell
What’s the definition of selective permeability?
Chooses what goes through
What is concentration
Number of molecules in a substance of a given area