What is the process of passive diffusion of small molecules?
Understand the Problem
The question is related to the illustration depicting the passive diffusion of small molecules across a structure, likely emphasizing how molecular transport occurs through cell membranes or other biological barriers.
Answer
Passive diffusion is the movement from high to low concentration without energy use.
Passive diffusion is the movement of small, uncharged molecules from an area of high concentration to low concentration without using energy, continuing until equilibrium is reached.
Answer for screen readers
Passive diffusion is the movement of small, uncharged molecules from an area of high concentration to low concentration without using energy, continuing until equilibrium is reached.
More Information
Passive diffusion is fundamental in biology for maintaining concentration gradients across cell membranes.
Tips
A common mistake is thinking energy is required for passive diffusion; it is a spontaneous process.
Sources
- Passive Transport - Diffusion - bio.libretexts.org
- Simple diffusion and passive transport - Khan Academy - khanacademy.org
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