In the infirmary, when Bashier is administering the ketracel white, he first says he will start with 2 milligrams and then bumps it up to 3 cc's. These are not the same measurements. Milligram is a mass and a cc is a volume. Assuming the density of the white is the same as water, a cc would equal 1 gram of white or 1000 milligrams.
It appears that, as Quark is inspecting his purchase in the cargo bay at around 3:35, the battery dies in the light he is using.
When the Jemhadar sees Odo he immediately , due to his genetic engineering, kneels to him as a God. Why is it in previous encounters with them Odo was not recognized by them.