Cell:-The Unit of Life

Prokaryotic Cells Characters

  • They have no membrane bound nucleus and organelles.
  • They include bacteria, blue-green algae, mycoplasma & PPLO (Pleuro Pneumonia Like Organisms).
  • They are generally smaller and multiply more rapidly than the eukaryotic cells.
  • They vary in shape & size. E.g. Bacteria have 4 basic shapes: Bacillus (rod like), Coccus (spherical), Vibrio (comma shaped), and Spirillum (spiral).

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