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Biotech - Microscopes (Onion cell (Really fine piece of onion (so light…
Biotech - Microscopes
Onion cell
Make wet mound
Really fine piece of onion
so light can get through
Dye onion
Cover slip after dye
Field of view
Use Grid slide
Find length of cell
In micro metres
find field of view for all magnification
Elodea Cell
Leaf
Drop of water
Cover slip
Let warm over light
Diagram
Not dtetailed
Labeling
Title
Size
Magnification
Parts of cell
Nucleus etc. if seen
Types
Electron
expencive
takes up a lot of room
can see up to 2 mil magnification
Can not observe living specimen
Black and white
Light
cheap
The type schools will have
can not see as higher magnification
can see colour
can see living organisms