Question

Note about electron microscopes from resources in the school library or through the internet. Discuss it
outside the cell.
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Answer 1

Answer:

Electron microscopes use a beam of electrons instead of beams or rays of light. Living cells cannot be observed using an electron microscope because samples are placed in a vacuum. ... the scanning electron microscope (SEM) has a large depth of field so can be used to examine the surface structure of specimens

Explanation:

Electron microscopes use a beam of electrons instead of beams or rays of light. Living cells cannot be observed using an electron microscope because samples are placed in a vacuum

An electron microscope is a microscope that uses a beam of accelerated electrons as a source of illumination. As the wavelength of an electron can be up to 100,000 times shorter than that of visible light photons, electron microscopes have a higher resolving power than light microscopes and can reveal the structure of smaller objects . There are two main types of electron microscope – the transmission EM (TEM) and the scanning EM (SEM). The transmission electron microscope is used to view thin specimens (tissue sections, molecules, etc) through which electrons can pass generating a projection image

The cell wall, nucleus, vacuoles, mitochondria, endoplasmic reticulum, Golgi apparatus, and ribosomes are easily visible in this transmission electron micrograph. (Courtesy of Brian Gunning.)

electron microscope can only view dead cell not a living cell...

Electron microscopes utilize a vacuum in order to allow the electrons to penetrate the specimen. Living organisms cannot survive in this vacuum, so all electron micrographs show only dead cells.

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