Difference between revisions of "Cell Membrane"
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===Meaning=== | ===Meaning=== | ||
The '''cell membrane''' is a [[Partially Permeable Membrane|partially permeable membrane]] covering the [[cytoplasm]] of a [[Cell (Biology)|cell]]. | The '''cell membrane''' is a [[Partially Permeable Membrane|partially permeable membrane]] covering the [[cytoplasm]] of a [[Cell (Biology)|cell]]. | ||
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| + | ===Function=== | ||
| + | : The '''cell membrane''' controls which chemicals go in and out of the [[Cell (Biology)|cell]]. | ||
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| + | ===About the Cell Membrane=== | ||
| + | : The '''cell membrane''' only allows in certain [[molecule]]s. This means some [[molecule]]s, like [[water]], can diffuse in and out of the [[Cell (Biology)|cell]], however, some cannot pass into the [[Cell (Biology)|cell]]. | ||
Revision as of 17:17, 4 November 2018
Contents
Key Stage 3
Meaning
The cell membrane is a layer covering the cytoplasm of a cell.
Function
- The cell membrane controls which chemicals go in and out of the cell.
About Cell Membranes
- In an animal cell the cell membrane is the outer layer of the cell.
- In a plant cell the cell membrane is protected by a cell wall on top of it.
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| The cell membrane of an animal cell is the outer layer. | The cell membrane of a plant cell is protected by the cell wall. |
Key Stage 4
Meaning
The cell membrane is a partially permeable membrane covering the cytoplasm of a cell.
Function
- The cell membrane controls which chemicals go in and out of the cell.