Plant and Animal Cells

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Plants and animal cells share the same basic structural features, although plant cells have a few extra bits.

Here is a diagram of a typical animal cell:

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Animal cells come in all kinds of shapes and sizes but have the same basic features.

The control centre is the nucleus; this contains all the genetic information for the cell and controls all its activities.

The cytoplasm is like a big soup of chemicals in which the reactions occur.

Then forming the outside of the cell is the cell membrane, which acts as a barrier and controls the transfer of materials into and out of the cell.

Note: Some animal cells do have a vacuole.

Here is a diagram of a typical plant cell:

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Plant cells also come in a variety of forms but share similar features. In addition to the three basic features found in animal cells, plant cells have some useful extra ones.

Firstly they have a rigid cellwall made of fibres of cellulose (which we use to make paper!) that gives them shape and strength. The cell wall fits closely just outside the cell membrane like a plastic box with an inflated balloon stuffed inside.

Secondly they have a vacuole, which stores extra water and gives extra support to the cell by pressing hard against the cell wall.

Thirdly, most plant cells also contain small round structures called chloroplasts, which contain the green pigment chlorophyll, which is needed for photosynthesis.

So, What do plant cells look like in real life?

Here is a picture of plant cell as seen through amicroscope:

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Try the test below, just read the list of cell features and decide if they are present in animal cells:

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Some plants and animals are just a single cell, but most of us are not. A living plant or animal is called an organism and is made up of lots of cells all working together.

Some of these cells are all of the same type, collectively they are called a tissue. They all do the same job, for example connective tissue, which is used in animals to connect other tissues together - and stop us falling apart!

Next, some different tissues are grouped together to make up an organ such as the stomach or a leaf.

Finally, some organs work together to form an organ system such as the digestive system.

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