Microscope

Card Set Information

Author:
kc97
ID:
296225
Filename:
Microscope
Updated:
2016-01-16 19:26:02
Tags:
Microscope
Folders:
AS Biology Unit 2
Description:
Microscope
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  1. Advantages of using a light microscope
    (4 marks)
    • Relatively cheap
    • Portable
    • Preparation of material relatively quick and simple
    • Material isn't distorted by preparation
  2. Disadvantage of Using light microscope(2 marks)
    • Preservation and staining can produce artefacts being observed
    • Relatively low magnification and resolution
  3. Advantage of using electron microscope(2 marks)
    • High resolution power due to short wavelength of electrons
    • Greater magnification
  4. Disadvantage of using electron microscope?(4 marks)
    • Expensive to purchase and operate
    • Only works in a vacuum so living specimen cant be observed
    • Black and white image produced
    • Artefacts may form due to serve treatment

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