Light microscopes have a lower resolution because the refracted light waves spread out which make the image a bit blurred. Also, light microscopes can’t magnify as well as election microscopes. To observe internal structures with a light microscope, you usually need to use dyes. Hope this helped!
The appropriate answer is doing. All of the above. Heavy metals are sometimes used in agricultural chemicals and can contaminate both terrestrial and aquatic ecosystems. Heavy metal concentrations can build up overtime as industrialization progressed. Chemical spills can introduce heavy metals to ecosystems quickly with devastating effects.
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The base on the mRNA strands are called codons.
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their nuclear material is naked not membrane bound
