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they use electron microscopes on human objects because they need it to look at things too small to be seen with a light compound microscope.

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Q: Why dont scientists use electron microscopes on human subjects?
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Related questions

True or false Scientists who work with human subjects have an ethical responsibility to ensure their subjects are not harmed?

True


What must scientists get from human subjects before a research study can be done?

consent


How do microscopes differ from electron microscopes?

The microscopes one would think of in a college or high school biology lab are optical microscopes (ie: compound and stereo microscopes) and use light and glass optics in the eyepieces and objective lenses to obtain higher levels of magnification than the human eye can achieve. An electron microscope uses a beam of, you guessed it, electrons to illuminate and produce a magnified image. Electron microscopes are used when the specimens are too small for optical microscopes as they have wavelengths around 100,000 times shorter than visible light and can achieve magnification levels of up to 10,000,000x.


Who should answer the questions that human subjects might have about the research they are participating in?

a scientists involved in the research.


Can SEM microscopes view living cells?

I know that electron microscopes kill cells and require chemical fixation but show a 3d image I know there is one type of electron microscope can see living cells


How have microscopes aided scientific discovery?

Microscopes allow us to see things that are not visible to the unaided human eye. Early microscopes allowed humans to see characteristics of blood, for instance. They also allowed people to see the structure of cells. As technology advanced, scientists developed electron microscopes, which then allowed us to see thing at an atomic level. It is actually possible for us to see electrons moving through a computer shift register! I saw a demonstration of this many years ago! I believe it was done by Hewlett Packard,Texas Instruments, or IBM.


What instrument helped scientist develop the cell theory?

As microscopes improved, so did the understanding of the human body. But the real breakthrough came from the creation of the electron microscope in 1931. The electron microscope was capable of creating magnifications of up to 2,000,000x.


Why are electron microscopes capable of revealing details much smaller that those seem through light microscope?

The resolving power of a microscope is a linear function of the wavelength - An optical microscope's wavelength is that of light, and the electron microscope's - that of vibrating electrons. As the electron microscope's wavelength is about 100,000 times smaller than that of light, we get a much better resolving power.


How do microscopes help scientists classify organisms?

because they can see all the tiny organisms!


Which types of microscopes can produce three-dimensional images of cells?

A scanning electron microscope can produce three-dimensional images of cells. This advanced resonance allows the viewer to examine human, animal, and plant cells more thoroughly.


What are the functions of a simple microscope?

Light microscope uses light to magnify a specimen. Human or plant cells, bacteria, and protists can be observed and analyzed using light microscopes. For much smaller things like virus or macromolecules, you will need much stronger microscopes, such as scanning electron microscopes.


What is the difference between a light microscope and an electric microscope?

The difference between a light and electric microscope is that the light microscope is solar powered