You can see some of the structures of a plant cell under a microscope with a simple practical.
- You or your teacher should cut a small square section of an onion
- Using a pair of tweezers pull away the inner layer of the onion. This should be very thin as it should be a single layer of cells
- Transfer the cell sample onto you Microscope slide ensuring it is flat
- Add 1 or 2 drops of Iodine Solution
- Place a cover slip over the now stained onion cells
- Using a microscope appropriately look at the onion cells and try to draw/label what you can see *
* You may be asked to work out the magnification or actual size of the cheek cell.