what are eukaryotes and prokaryotes?
- Prokaryotes are cells or organisms which do not have definite nucleus and membrane bound organelles. Example: Bacteria and Blue green algae.
- Eukaryotes are cells or organisms which consist of well defined nucleus and membrane bound organelles. Example: Animals and Plants.
Size of the cell is generally small
(1-10 micro metre).
Size of the cell is generally large
(5-100 micro metre).
Nucleus is absent.
|Nucleus is present.|
It contains single chromosome.
|It contains more than one chromosome.|
Nucleolus is absent
|Nucleolus is present|
Membrane bound cell organelles are absent.
|Cell organelles such as mito chondria,plastids,endoplasmic recticulam,golgi apparatus etc. are present.|
Cell division takes place by fission or budding (no mitosis)
Cell division occurs by mitotic or meiotic division.
|They are mainly unicellular||They are mainly multicellular except for protista|
|They have only a few organelles||Many organelles|
|DNA is circular||DNA is linear|
|DNA lies in the cytoplasm (Nucleus absent)||DNA is inside the nucleus|
|Cell division occurs mostly through binary fission||Mitosis, meiosis or both take place.|