Instead of merely saying no back up your responses with YOUR OWN experimental data that you have concluded from doing your own experiments to come to the conclusion instead of relying on a hand me out that someone else has already concluded especially the play on words and the semantics that only prove you can twist words around.
Exactly what are you looking for here? Bacteria can extract gold from compounds containing gold. This is about as simple as logic gets. What, do you think this is magic? I don't know what point you are trying to make.