Prokaryotic DNA is a single closed loop of double-stranded DNA attached at one point to the cell membrane. Some prokaryotes also have plasmids, which are small, circular, self-replicating loops of double-stranded DNA. Many bacteria have an outer covering of polysaccharides called a capsule. It helps protect bacteria from white blood cells.
According to data from PayScale, the average yearly salary for a physician assistant is $83,209 per year, with a reported salary range of $68,220 to $115,736 annually. The highest paid PAs are in Los Angeles, where the average yearly salary is $97,000.
Physician Assistant Salary Data. As the table below indicates, the average salary and hourly wage in the United States (as of 2014) was $46.77 per hour, or $97,280 per year.