( a ) A typical eukaryotic cell (10-20 µm), Typical bacteria (1-2 µm), Viruses (about 0.1 µm), PPLO (0.02-0.2 µm)
( b ) Typical bacteria (10-20 µm), A typical eukaryotic cell (1-2 µm), Viruses (about 0.1 µm), PPLO (0.02-0.2 µm)
( c ) A typical eukaryotic cell (10-20 µm), Typical bacteria (1-2 µm), PPLO (about 0.1 µm), Viruses (0.02-0.2 µm)
( d ) Typical bacteria (10-20 µm), A typical eukaryotic cell (1-2 µm), PPLO (about 0.1 µm), Viruses (0.02-0.2 µm)