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Biblioteka

types of microscope

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Posljednje ažuriranje over 3 years ago
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Pitanje 1
1.

Which microscope do these descriptions apply to

  • specimen must be dead

  • up to 1500x magnification

  • specimen can be living

  • smaller less expensive

  • up to 0.2nm resolution

  • uses beam of electrons

  • 200nm resolution

  • up to 2 x 10 to the 6 magnification

  • Light microscope

  • Electron Microscope

Pitanje 2
2.

why do some samples need to be stained before they can be viewed under a light microscope?

Pitanje 3
3.

The ability to distinguish between 2 objects that are very close together is called the

Pitanje 4
4.

which instrument is used to calibrate the eye graticule

Pitanje 5
5.

Mitochondria are about 10 micrometres long. Calculate the length of a mitochondria when view through a x40 microscope in mm

Pitanje 6
6.

what is the maximum resolution for a light microscope?

Pitanje 7
7.

A DNA helix is about 0.002 micrometres in diameter. Which types of microscopes could be it resolved by?