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.
The highest-paid physician assistants make more than double the earnings of the lowest-paid ones. As of May 2009, the Bureau of Labor Statistics reveals that the median compensation of physician assistants is $84,420 yearly. The bottom 10 percent make $55,880 and the upper 10 percent receive $115,080.