what are two distinguishing characteristics of prokaryotes?
3 answers
http://en.wikipedia.org/wiki/Prokaryote
they range in size from 1 to 5 micrometers
Prokaryotes does not have well defined nucleus and does not have well defined cell membrane. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.