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cell transport
| Term | Definition |
|---|---|
| unicellular organism | an organism made of one cell |
| Multicellular organism | an organism made of many cells |
| selective permeability | cell membranes allow some materials in & out of cell |
| prokaryote | an organism with no membrane bound organelles--no nucleus, no mitochondria |
| eukaryote | an organism with membrane bound organelles--yes nucleus, yes mitochondria |
| active transport | transport when energy is used. |
| endocytosis (enter) | moving large molecule in the cell with energy |
| exocytosis (exit) | moving large molecule out of the cell with energy. |
| passive transport | energy is not needed to move materials. |
| diffusion | movement of molecule to where they are not needed. |
| osmosis | is the movement across the cell membrane. |