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Osmium is a ___________________(a) non metal(b) heavy metal(c) alloy(d) light metalThis question was posed to me during an interview for a job.This key question is from Techniques topic in section Techniques in Cell Biology of Cell Biology

Answer»

Correct option is (b) HEAVY metal

The best EXPLANATION: Osmium is a heavy metal that reacts with fatty acids leading to the preservation of membranes. Osmium tetroxide is used as a fixative in transmission ELECTRON MICROSCOPY.



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