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Because these organisms are too smaller to be observed directly.
What else can I help you with?
Why would you need a microscope yo see a prokaryote organism?
Prokaryotic cells are smaller and lack a nucleus and other membrane-bound organelles, making them difficult to see with the naked eye. A microscope is necessary to magnify and visualize these tiny organisms, allowing for detailed observation of their structure and characteristics.
Why do you need a microscope to see a unicellular organism?
we need microscope to see unicellular organism because they are very small
Would you need a microscope to see a prokaryotic organism?
Because, it is too small to see with the naked eye.
Why does moisture need to be removed before an organism can be viewed with an electron microscope?
Liquids and gases expand inside a vacuum, so the organism's shape would be destroyed..
Is a human a micro organism?
If you need a microscope to see a human then yes, otherwise no.
Is a red kangaroo a multicellular organism?
Yes. One celled or unicellular organisms are so small you would need a strong microscope to see one.
Is an orchid single celled?
Organism that have one cell (single celled) are so small, you would need a microscope to see them. So, orchids are multicellular.
Why would you need a microscope to see a prokaryote organism?
Because, it is too small to see with the naked eye.
What is the minimum size of the organism which could be seen under microscope?
Depends, optic microscopes don't see much smaller than a nucleus very well, organelles such as mitochondria are seen as specks if you have a good microscope. To see more detail, you need an electron microscope (transmission or scanning), with which you can even see objects as small as viruses.
What kind of microscope do you need to see particles?
To see particles, such as individual cells or microorganisms, you would typically need a light microscope. However, to see smaller particles like viruses or nanoparticles, you would need an electron microscope.
Under high power magnification the field diameter is 400 calculate the size of the organism?
To calculate the size of the organism, you would need to know the magnification of the microscope being used. Comparing the field diameter at 400x magnification with the actual size of the organism would give you the scale factor to determine the organism's size. For example, if the field diameter at 400x is 0.5 mm, and the actual size is 50 micrometers, then the organism is 10 times smaller than the field diameter.
How do you identify a prokaryotic cell?
It can be done by simple light microscopes. For example Bacteria can be seen under microscope with some stains. But you can not characterize the exact group or nature prokaryote by microscopes for which we actually need genetic data or the pattern of their DNA.A prokaryote cell is identified by its cell wall being gram positive or negative.By the absence of nuclear membrane. By the ways they obtain energy. By their special methods of movement.
