Microscopes Flashcards
1
Q
light microscopes
A
use visible light to illuminate objects
2
Q
phase-contrast microscopes
A
shine light through specimens.
3
Q
fluorescence microscope
A
a cell or a molecule is the light source
it fluoresces, or emits energy in the form of light, when a laser beam is focused on it
4
Q
electron microscopes
A
use electrons instead of visible light to illuminate samples.
uses magnetic fields to focus beams of electrons onto a sample.
5
Q
scanning electron microscopes
A
directs a beam of electrons back and forth across a surface of a specimen, which has been coated with a thin layer of gold or another metal.
