Prokaryotic cellEukaryotic cellMost prokaryotesMost eukaryotesare unicellularare multicellularSize of the cell isSize of the cell isgenerally small(0.5-5 μm).generally large(50-100 μm).Nuclear region is poorly definedNuclear region is well-defineddue to the absence of a nuclearand is surrounded by a nuclear membrane,or truemembrane or cell lacks true nucleus.nucleus bound by a nuclear membrane is present in the cell.It contains a single chromosome.It contains more than one chromosome.Nucleolus is absentNucleolus is presentMembrane-bound cell organelles such as plastids,Cell organelles such as mitochondria, plastids,mitochondria,endoplasmic reticulum,Golgi apparatus,endoplasmic reticulum, Golgi apparatus,lysosomes etc.etc.are absentare present.Cell division occurs through binary fissionCell division occurs by mitosis.Prokaryotic cells are found inEukaryotic cells are found inbacteria and blue-green algae. fungi,plants,and animal cells.