How to prepare an onion cell slide

Fig. 1forceps, dye, pin, onion membrane, slideFig. 2Microscope

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This activity is one of the first uses of an optical microscope that most students encounter in a biology lab. Onions are used because they have large cells that are easily visible under a microscope and the preparation of a thin section is very straight forward..

Related Topics:
Biology - Cells - Microscope

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An onion is made of many concentric layers. Each layer is separated by a thin skin or membrane. In this experiment you will make a wet mount or slide and look at the cells of the membrane under a microscope.

Related Topics:
Onion - Membrane - Wet mount - Cells - Microscope

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