• Created by: Georgina
  • Created on: 02-12-11 20:31


What is a prokaryote?


A microscopic single-celled organism, including the bacteria, that has neither a distinct nucleus with a membrane nor other specialized organelles.



Prokaryotic cells are very much the opposite to eukaryotic cells.


Prokaryotic cells                                                        Eukaryotic cells

No true nucleus                                                           Distinct nucleus

No nucleolus                                                               Nucleolus present

Circular strands of DNA ( no chromosomes)                         DNA in chromosomes

No membrane bounded organelles                             Membrane bounded organelles present -  (mitochondria)

No chloroplasts                                                           Chloroplasts present in plants and algae

Ribosomes smaller (70S)                                             Ribosomes larger (80S)

No endoplasmic reticulum or associated golgi           Endoplasmic reticulum present with

Apparatus or lysosomes                                              golgi apparatus and lysosomes



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