Compare and contrast the structure and function of a compound light microscope and a scanning electron microscope. Be sure to discuss the structure and function of each as well as the function and usefulness of each when examining a specimen.

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anonymous · Answer

LOL!, someone else asked this.. Its not very difficult.. Go back to the lesson, and read it over. And take notes next time. FLVS Biology

anonymous · Answer

want me to answer it?

anonymous · Answer

Light Microscope (Compound): Consists of a complex of lenses, rather optical lenses. It is smaller than EM. The light rays passes through the specimen(either living in case of phase contrast microscope, or dead) and observer observes that ray of light. The pathway of light beam is generally from down to upward. Light microscope has the magnifying power ~1500x generally.
       SEM: Consists of several electromagnets as the lens to distort the electron beam. SEM is quite large in size. The electron beam is triggered on the dead specimen. Then it scan the surface ot the specimen and scattered out. This scattered light is observed by the computer and it creates the image of the surface. The pathway of light is from top to bottom of the microscope. The magnifying power is ~10x-500,000x