Required Practical: Observing Cells Hsing A Microscope

Question 1

What are the four stages for the method ?

Answer 1

1. Cut a thin piece of onion
2. Place on microscope slide
3. Stain with iodine
   4 cover with covering slip

Question 2

Why drop iodine onto the specimen ?

Answer 2

To stain it making the specimens sub-cellular structure more visible when observed