Microscopy

• why are electron microscopes better than light microscopes?

  • electron microscope has a higher magnification and resolving power
  • can be used to study cells in finer detail
  • helped biologists gained a better understanding of the structure of the nucleus
• method

  1. using a tweezer peal off the epidermal tissue off the onion
  2. add a drop of water on a glass slide and place the epidermal tissue on the slide
  3. place a drop of iodine on top and then put a cover slip on top of the specimen