Transport in cells Flashcards
1
Q
Definition of Diffusion
A
The passive movement of a substance from an area of high concentration to an area of low concentration
2
Q
Definition Osmosis
A
The movement of water molecules across a partially permeable membrane from a less concentrated solution to a more concentrated solution
3
Q
Definition Active transport
A
Movement of a substance from a lawyer concentration to a higher concentration , against the concentration gradients
4
Q
Surface area to volume ratio
A
The surface area divided by the volume expresses as a ratio.
