How is a prokaryotic cell distinguished from eukaryotic cell?
Answers
Prokaryotic Cell Eukaryotic cell
Size is 0.1- 5.0 um Size is 5-100 um
Nucleus is absent Nucleus is present
Membrane bound nucleus absent. Membrane bound Nucleus is present.
Unicellular multicellular
Lysosomes and Peroxisomes absent
Lysosomes and Peroxisomes present
Microtubules absent
Microtubules present
Endoplasmic reticulum absent
Endoplasmic reticulum present
Mitochondria absent
Mitochondria present
Cytoskeleton absent
Cytoskeleton present
Ribosomes smaller
Ribosomes larger
Vesicles present
Vesicles present
Golgi apparatus absent
Golgi apparatus present
Chloroplasts absent; chlorophyll
scattered in the cytoplasm
Chloroplasts present in plants
Submicroscopic in size Flagella is
present made up of only one fibre
Microscopic in size, membrane bound
Cell wall chemically complexed
Cell wall is present in plants and
fungi and chemically simpler
Vacuoles absent
Vacuoles absent
Permeability of Nuclear
membrane is not present
Permeability of Nuclear
membrane is selective
Sexual reproduction is absent
Sexual reproduction is present
Endocytosis and exocytosis are absent.
Endocytosis and
exocytosis occurred
It may have pili and fimbriae.
Pili and fimbriae are absent
Transcription occurs
in the cytoplasm
Transcription occurs inside the nucleus.