I want to say that the best option to go with will be species so option D.
Transmission electron microscope produces the image through a beam of electrons. It is most useful to inspect the morphology, cyrstallization, and magnetic characteristics of a certain sample.
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Answer:
Elements that are metals tend to lose electrons and become positively charged ions called cations. Elements that are nonmetals tend to gain electrons and become negatively charged ions called anions
Explanation:
The answer would be D.nucleus, prokaryotic cells don’t have a nucleus instead their dna floats around inside the cell