<span>potential energy
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.</span>
Answer:
Mercuric particles is the right answer
Pseudomonas has a plasmid containing the mer operon that incorporates a quality for mercuric reductase catalyzing mercuric particle to an uncharged type of mercury. The inducer is mercuric particles.
I would say true. I say this because there have been times where scientists find out that there are better ways of performing experiments, or found that certain materials work better for certain tasks. (Especially true in medicinal fields!)