Section 6.1

Question 1

What are some characteristics of a light microscope?

Answer 1

• Visible light is passed through the specimen and then through glass lenses.
• Magnifies 1,000 times

Question 2

What are some characteristics of an Electron Microscope?

Answer 2

• Focuses a beam of electrons through the specimen or onto its surface.
• Kills the specimen
  -100 times better than light microscope

Question 3

What are some characteristics of a Scanning Electron Microscope (SEM)?

Answer 3

-Used for detailed study
-Shows fine details of cell surfaces

Question 4

What are some characteristics of a Transmission electron microscope?

Answer 4

-Is used to study the internal structure of cells
-Uses stains to study the internal structures of cells
-Enhances parts of the cell
-Uses electrons to project a screen onto a monitor for viewing

Question 5

Definition of cell fractionation:

Answer 5

takes cells apart and separates major organelles from each other