- Place the specimen in the middle of the clean slide. Ensure that the specimen is laying flat and not folded over itself.
- Add 2-3 drops of the stain solution. Plant cells are commonly stained with iodine, whereas animal cells are commonly stained with methylene blue. both of these solutions stain the nucleus of each cell. (and your fingers and clothes so be careful)
- Holding a cover slip by each of its edges in your left hand, manoeuvre it so that the bottom edge of the cover slip makes contact with both the slide and the edges of the stain solution. With your right hand support the top edge of the cover slip with a pair of tweezers.
Onion Insect