Concentration Gradient
Definition
A concentration gradient occurs when there's a difference in the concentration of a substance across a space, like an area or a membrane, leading substances to naturally move from areas of high concentration to low concentration.
Scientific / Technical Definition
A concentration gradient refers to the variable concentration of a solute in a solution between two regions. This gradient is a major driving force in processes like osmosis and diffusion, where substances move along the gradient from a region of higher concentration to one of lower concentration, often across a semi-permeable membrane.
Benefits
- Facilitates nutrient absorption and waste removal in cells
- Essential for processes like osmosis and diffusion which help regulate hydration levels in the body
- Helps in maintaining homeostasis within cells and body systems
Examples
- Osmosis of water in plants
- Diffusion of oxygen and carbon dioxide in lungs
- Absorption of nutrients in the intestines
Additional Information
- effects: Concentration gradients are crucial in cellular functions and help maintain the balance of fluids and electrolytes, influencing cell volume and membrane potential.
Related Terms
References
Last updated: 11/5/2024