Experiments on plant and animal cells

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How to use a light microscope
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Experiments on plant and animal cells
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Experiment 1Observing plant cells

• The onion cells

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Observing Onion Cells

• Step 1
• Peel off the inner epidermis of the fleshy scale
  of an onion.

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Observing Onion Cells

• Step 2
• Cut out a small piece of epidermis and place it
  on a slide

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Observing Onion Cells

• Step 3
• Mount the epidermis with a drop of iodine
  solution.

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Observing Onion Cells

• Step 4
• Observe the onion cells under microscope and draw
  the cells.

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A onion cell plant cell
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Experiment 2 Observing Animal Cells

• Ox corneal cells

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Observing Ox Corneal cells

• Step 1
• Touch the cornea of an ox-eye with a clean slide.
  
• Some corneal cells will stick onto the slide.

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Observing Ox corneal cell

• Step 2
• Add a drop of methylene blue solution to stain
  the cells.

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Observing Ox Corneal Cells

• Step 3
• Slowly put a cover slip over the slide.
• Observe under microscope and draw the cell.

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An ox corneal cell Animal cell
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Useful web site

• 1. http//www.gsu.edu/mstjrh/resources.html
• 2. http//ampere.scale.uiuc.edu/m-lexa/cell/cell.
  html
• 3. http//www.mblab.gla.ac.uk/julian/Dict.html
• 4. http//gened.emc.maricopa.edu/bio/bio181/BIOBK/
  BioBookmito.html
• 5. http//www.accessexcellence.com/AB/GG/mitosis.h
  tml
• 6. http//cellbio.utmb.edu/cellbio/nucleus.htm
• 7. http//www.cell-biology.com/