Difference between revisions of "Cell Wall"
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| style="height:20px; width:200px; text-align:center;" |The '''cell wall''' of a [[bacteria]] protects it from the immune system. | | style="height:20px; width:200px; text-align:center;" |The '''cell wall''' of a [[bacteria]] protects it from the immune system. | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
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| + | :[https://www.amazon.co.uk/gp/product/0198359373/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359373&linkCode=as2&tag=nrjc-21&linkId=952a73bbb09d222ecc4b50d200679849 ''Cell walls, pages 7-8, 94, GCSE Biology; Third Edition, Oxford University Press, AQA ''] | ||
Revision as of 00:41, 3 November 2019
Contents
Key Stage 3
Meaning
The cell wall is a layer covering the cell membrane of some cells.
Function
- The cell wall protects the cell and keeps the cell in the same shape.
About Cell Walls
- The cell wall is part of the cells in plants, fungi and bacteria.
- The cell walls of plants is what makes fibre in our diet.
- Animal cells do not have a cell wall.
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| The cell wall of a plant cell is the outer layer. | The cell wall of a bacteria protects it from the immune system. |
Key Stage 4
Meaning
The cell wall is a layer covering the cell membrane of plant, fungal and bacterial cells.
Function
- The cell wall can protect the cell from some toxic chemicals and some viruses.
- The cell wall keeps the cell in the same shape.
About Cell Walls
- The cell walls of plant cells are made of cellulose.
- The cell walls of fungal cells are made of chitin.
- The cell walls of bacteria are made of murein.
- Animal cells and protists do not have cell wall.
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| The cell wall of a plant cell is the outer layer. | The cell wall of a bacteria protects it from the immune system. |