B2- Cells Flashcards Preview

IGCSE Coordinated Science 2016-2017 > B2- Cells > Flashcards

Flashcards in B2- Cells Deck (2)
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1

Diffusion

The net movement of molecules from a region of their higher concentration to a region of their lower concentration down a concentration gradient, as a result of their random movement.

2

Osmosis

The diffusion of water molecules from a region of their higher concentration (dilute solution) to a region of their lower concentration (concentrated solution), through a partially permeable membrane.