Cell Microscope LabOnion Cells

Green Plant CellsAnimal Cells

Slide PreparationOnion Cell slides are prepared with Iodine

instead of water.Iodine stains the membrane and nucleus to

make it visible.Green Plant prepared with water.Animal (cheek) cell slides prepared with blue

stain to make cell membrane and nucleus visible.

NOTE: Blue and Iodine will stain your clothes!

Microscope RemindersAlways start on low power, use course focus

then fine focus.Try adjusting the amount of light with the

diaphragm to increase contrast.You must use medium power before trying

to observe specimen with high power.Use fine focus only after leaving low

power.

Follow the directions!!!Follow the step by step directions on the

green sheet or you will not know what information to record on your lab sheet.

There are questions directly from this lab on the test this Friday.

Onion Cells

Green Plant Cells

Animal (Cheek) Cells

Please Leave Scopes and Materials the way you found them!Make careful observations.Work with your partner, both of you need to

see the cells and know the information from the lab.