diffusion Flashcards
1
Q
diffusion
A
the mixing of particles in liquid and gases so that they can move from a region of high concentration area to a region of low concentration area.
2
Q
facilitated diffusion
A
the diffusion of molecules across a cell membrane to transport proteins.
3
Q
what are the 3 types of solutions ?
A
isotonic solution
hypertonic solution
hypotonic solution
4
Q
active transport
A
the movement of molecules across a cell membrane that requires energy input from the cell.
5
Q
passive transport
A
the movement of molecules across a cell membrane that doesn’t use energy.
6
Q
what is osmosis ?
A
the diffusion of water molecules across a semipermeable cell membrane from an area of high water concentration to an area of low water concentration.
