Metals

... b)staining improves the resolving power of microscope c)cells are always killed by stains and this stops any moverment d)additon of heavy metals such as lead essential for visualization 2.In a small lump of soil, a fragment of organic matter is surrounded by mineral particle. The centreof ...

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... and bioremediation, because they can metabolize almost every substance. Another important (yet problematic) application is the extraction of metals trapped in stone. A bacterium known as Thiobacillus ferrooxidans is responsible for this, but it produces a significant amount of sulfuric acid ...

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Cells are able to selectively conecntrate ions with protein pumps. Although it is posssible that some other metals that behave similarly to Calcium might be incorporated. But they are pobably less concentrtated in the body, and there is indeen selection of ions both by the osteoblasts ...

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that's the point, relative to metals and certain ceramic compounds, everything is a bad conductor.

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because it's not made of metal and metals are good conductors because of the their free valence electrons and in the case of transition metals, they have a d orbital which also contribute carrier electrons. There's also something about bandgaps ...

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