cell transport Flashcards
1
Q
diffusion
A
a process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
2
Q
osmosis
A
Osmosis is the transport of a solvent through a semipermeable membrane that separates two solutions of differing solute concentration.
3
Q
how does surface area affect the rate of diffusion
A
As volume and surface area increase, the volume increases faster, so much so that the surface area available to allow substances in halves each time the cell volume doubles.
