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Java Games: Flashcards, matching, concentration, and word search. |
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03.3 Cell Membrane
The cell membrane is a barrier that separates a cell from the external environment.
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| cell membrane | double-layer of phospholipids that forms a boundary between a cell and the surrounding environment and controls the passage of materials into and out of a cell |
| phospholipid | molecule that forms a double-layered cell membrane; consists of a glycerol, a phosphate group, and two fatty acids |
| fluid mosaic model | model that describes the arrangement and movement of the molecules that make up a cell membrane |
| selective permeability | condition or quality of allowing some, but not all, materials to cross a barrier or membrane |
| receptor | protein that detects a signal molecule and performs an action in response |
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