Diffusion and Osmosis Essay
- Created by: The Shrew
- Created on: 22-04-15 09:15
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- The process of diffusion and osmosis and its importance in living organisms.
- What is Osmosis?
- The diffusion of water molecules across a partially permeable membrane from an area of high water potential to an area of low water potential
- Cholera, water potential and movement of chloride ions
- Water entering root hair cells of a plant
- Tissue fluid formation
- What is diffusion
- The net movement of particles from an area of high concentration to and area of low concentration
- Respiration, air diffusing into blood and out of blood
- Diffusion rate depends on area of diffusion surface, concentration gradient, and thickness of diffusion surface.
- Movement of H+ ions in the electron transport chain in respiration
- Sodium-potassium pumps in the nervous system
- Facilitated diffusion; carrier proteins and protein channels- cell membrane
- Regulates concentrations in cells
- What is Osmosis?
- Plasma membrane
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