Although characteristics vary under the laws of different countries, it can be described as: 1  a privileged claim, 2  upon maritime property, 3  for service to it or damage done by it, 4  accruing from the moment that the claim attaches, 5  travelling with the property unconditionally, 6  enforced by an action in rem.
Visualization: ethidium bromide (EtBr) and dyes The most common dye used to make DNA or RNA bands visible for agarose gel electrophoresis is ethidium bromide, usually abbreviated as EtBr. It fluoresces under UV light when intercalated into DNA (or RNA).
But the venom that kills can also save lives. Scientists use venom to develop anti-venoms, and the toxic compounds may also yield new drugs to treat everything from crippling strokes to deadly heart attacks. Snake venom is a complicated brew containing dozens of compounds.