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How does the electron microscope permit scientists to see viruses?
Wiki User
∙ 11y ago
Viruses are very small and can be considered ultramicroscopic. We were not able to see them with the best light microscopes as we could bacteria (prokaryotes). We have to use an electron microscope to see them as they are that small. This was not available until recently.
Wiki User
∙ 11y ago
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What is an advantage of using an electron microscope?
Answer: Using an EM (electron microscope) you can look INSIDE a cell and take photos. This is different to an ordinary (or Light microscope) where you generally only see the outside of the cells - or at best can only see vague shapes inside the cell. Answer: The scanning electron microscope provides a number of advantages over an optical microscope. Primarily this centers around the fact that the wave lengths used are much smaller than the wavelengths of light. What you can see is, in par,t dependent on the relative size of the object and wavelength of the light you are using. For very small objects, like individual atoms, light just wont work. Secondly the electron microscope can be fitted out with equipment and analytical sensors to identify the atomic composition of materials in the field of view. These Scanning Electron Microscopes (SEM) are extremely useful in identifying trace contaminants. The standard microscope still has advantages. It can detect the polarizing capacity of organic compounds, it is cheap and easy to use, it can be used in the analysis of stained samples in microbiology, it can use transmitted light and reflected light to examine an object. A major advantage is that the surface of the viewed object does not have to be prepared by being covered with a very thin layer of metal to permit viewing.
Do graphs often permit scientists to make estimations for times when there is no data?
yes
Why electron not present in the nucleus?
As it will violate heisenberg uncertainity principle as well as quantum statistics will not permit it. But dont know proper reasons for it.
What in a microscrope has a hole in it to let light through?
The stage in a microscope holds the specimen, usually on a slide, and has an opening in it to permit light to come up through the stage and through the specimen and further on up to the optics.
How can you use permit in sentences?
I have a permit to drive this car. I'm about to get my permit.
Can you make a sentence for permit?
Please permit me to answer this for you. You'll need a permit for that! My hunting permit expired last month.
Is it illegal to clone sheep?
yes it is illegal and u cant even clone sheeps Scientists have cloned sheep but they needed a permit to do this in the country they were based in. Some countries do not allow cloning or genetic experimentation.
Hi does anybody know how old you have to be to get your permit in MA?
Driving permit? Gun permit? Building permit?
Where are some places were you can get your permit?
Your permit to do what, and where?
How do you abbreviate the word 'Permit'?
permit
What is the antonym for forbid?
Permit
Is fl permit valid to be renewed to a mass permit?
No. Every permit has different requirements.
