Microbiology

Structure	Prokaryotic Bacterial cells	Eukaryotic Human cells
1)size	0.5-10micro meter	10-100 micro meter
2) genetic elements a) chromosome b) plasmid	Nucleoid Single DNA May be present	Nucleus Many absent
3)nuclear membrane	absent	Present
4)Nucleolus	absent	Present
5) nuclear division	Binary fission	Mitosis
6)mitochondria	absent	Present
7)endoplasmic reticulum 8)lysosomes 9)golgi apparatus 10)size of ribosome	Absent Absent Absent 70s	Present Present Present 80s