Diffusion

The video tutorial explains diffusion in both biological and physical contexts. In biology, diffusion is described as the movement of small molecules across a cell membrane from an area of high concentration to low concentration. In physics, diffusion involves the reflection or refraction of radiation, such as light or sound, by an irregular surface, causing it to scatter in multiple directions.

How does diffusion relate to concentration gradients?

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What is the process by which small molecules move across a cell membrane?

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In physics, what does diffusion refer to?

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What types of radiation can be affected by diffusion?

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What happens to radiation when it encounters an irregular surface?

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