B1.1.4 - Electron Microscopy Flashcards Preview

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Flashcards in B1.1.4 - Electron Microscopy Deck (10):
1

What is the smallest size you can see with an electron microscope?

0.1 nano meters

2

What is the resolution of an electron microscope defined as?

The smallest distance between 2 points that can be seen as 2 separate entities.

3

What do electron microscopes use to produce an image?

Electrons

4

What are the 2 types of electron microscopes?

Transmission Electron Microscopes
Scanning Electron Microscopes

5

What does TEM stand for?

Transmission Electron Microscopes

6

What does SEM stand for?

Scanning Electron Microscopes

7

What are the advantages of SEM Microscopes?

They can produce a 3D image

8

What is the advantages of electron microscopes?

They can see in much greater detail

9

What are the disadvantages of electron microscopes?

They are too hard to move
They cost too much
They are harder to operate
The specimen has to be dead
There’s only black and white, although false colour can be added

10

What has Electron Microscopes allowed us to do?

View sub cellular structures in detail