4.1.1.5 Microscopy

Question 1

What do microscopes allow us to do?

Answer 1

• see things we can’t see with the naked eye

Question 2

What do light microscopes do?

Answer 2

• use light and lenses to form an image of a specimen and magnify it
• let us see individual cell and large subcellular structures like nuclei

Question 3

What do electron microscopes do?

Answer 3

• use electrons to form an image
• have a higher resolution (ability to distinguish between two points)
• give a sharper image
• let us see smaller things in more detail like internal structures of subcellular structures (or smaller ones)

Question 4

How do you calculate magnification?

Answer 4

• magnification = image size / real size

Question 5

What is useful when seeing smaller objects?

Answer 5

• write length/numbers in standard form