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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

Last updated: 11/5/2024