Electron Microscopist Question:

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Resolution is the ability of a lens to distinguish between small objects close together. What approximate resolution can be obtained with a lower power (10X, N.A. 0.25) objective lens?
A) 0.2 microns
B) 0.3 microns
C) 0.9 microns
D) 0.25

Electron Microscopist Interview Question
Electron Microscopist Interview Question

Answer:

C) 0.9 microns

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A microscope in which an image is formed by passing an electron beam through a specimen and focusing the scattered electrons with magnetic lenses is called a:
A) transmission electron microscope
B) scanning electron microscope
C) phase-contrast microscope		Fixation is the process by which the structures of the cells are preserved and fixed in position. An advantage of chemical fixation over heat fixation is that it:
A) magnifies the specimen
B) does not destroy internal structures