Cells

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Omines cellula e cellula
What all cells have in common
Why most cells are small
Types of cells
About organelles
Cell membranes and soap bubbles.
Map of an animal cell

Cell membranes and transport
Diffusion,osmosis
Facilitated diffusion
Active transport
Case study:osmoregulation in Protista

Created 1/18/99

Revised 1/04/00
PGD

This image shows a cell in an aquatic plant, Elodea. The clear strand at the tip of the arrow represents a 'conveyor belt' made of proteins that helps to move some of the cell's parts around the cell.

pgd 1/20/00