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Ch 3. 1/2/3 (MICROSCOPY (Light (How to calibrate (1 measure (each stoma)…
Ch 3. 1/2/3
MICROSCOPY
Microscopes are instruments that produce a magnified image of an object. The relatively long wavelength of light rays means that the light microscope can distinguish between 2 objects if they are 0.2 micrometers, or further, apart. This limitation can be overcome by using beams of electrons rather than beams of light. Have shorter wavelengths, their resolution is 0.1nm apart.
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RESOLUTION
(resolving power)- is the minimum distance apart that 2 objects can be in order for them to appear as separate items.
mm to micrometer(x1000), to nm(x1000)
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CELL FRACTIONATION
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Cell fractionation
Pellet, homogenate, nuceli,
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