Cells

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Article Index
Cells
Plant and Animal Cells
The Microscope
All Pages

All cells have the following:

A Cell Membrane. This controls what goes in and out of the cell

Cytoplasm. This has the thickness of wallpaper paste. It is where the chemical reactions take place.

A nucleus. It contains the genetic material (DNA) and tells the cell what to do (controls the cell's activities).

Only plant cells contain:

A Cell Wall. It support the plant cell and is very strong. It is made out of a substance called cellulose.

A Vacuole. This is filled with a liquid called cell sap. It helps the cell to maintain its shape.

Chloroplasts. These are green discs that allow the plant to make food by photosynthesis. They contain a chemical called chlorophyll. Plant tissues which contain them appear green.



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