S.No.
|
Characteristic
|
Prokaryotic cell
|
Eukaryotic cell
|
1)
|
Size
|
Small (generally 1-10µm)
|
Large (generally 10-100µm)
|
2)
|
Cell membrane
|
Cell is enveloped by a rigid cell wall
|
Cell is enveloped by a flexible plasma membrane
|
3)
|
Sub-cellular organelles
|
Absent
|
Distinct organelles are found ( Examples – mitochondria, nucleus,
lysosomes, ribosomes, endoplasmic reticulum)
|
4)
|
Nucleus
|
Not well defined; DNA is found as nucleoid, histones are absent
|
Nucleus is well defined, surrounded by a membrane; DNA is associated with
histones
|
5)
|
Energy metabolism
|
Mitochondria absent, enzymes of energy metabolism bound to membrane
|
Enzymes of energy metabolism are located in mitochondria
|
6)
|
Cell division
|
Usually fission and no mitosis
|
Mitosis
|
7)
|
Cytoplasm
|
Organelles and cytoskeleton absent
|
Contains organelles and cytoskeleton (a network of tubules and
filaments)
|
Friday, July 3, 2020
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