Definition Osmosis Diffusion Active Transport


Definition of Diffusion Osmosis Active transport
Definition of Diffusion
The movement of particles or molecules from a region of higher concentration to a region of lower concentration is called diffusion.
Definition of Diffusion

                                                                   Or

 The net movement of particles from a region of their higher concentration to a lower concentration down a concentration gradient, as a result of their random movement.
Definition of Osmosis:
The net movement of water molecules from a region of higher water potential to a region of lower water potential through a partially permeable membrane.
Definition of Osmosis
Definition of Active transport:
Definition of Active transport
The movement of particles through a cell membrane from a region of lower concentration to a region of higher concentration using energy (ATP) from respiration.
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