Class 11 Biology Cell : The Unit of Life Eukaryotic cells

Eukaryotic cells

  • Eukaryotic cells possess an organised nucleus with a nuclear envelope and genetic material is organised into chromosomes.
  • Plant and animal cells are different as the former possess cell walls, plastids and a large central vacuole which are absent in animal cells, whereas animal cells possess centrioles.
  • Eukaryotic cells have a variety of complex locomotory and cytoskeletal structures.
  • All cell organelles of eukaryotes are distinct from each other but these are considered together as an endomembrane system because their functions are coordinated.
  • The endomembrane system includes endoplasmic reticulum (ER), golgi complex, lysosomes and vacuoles.
  • Since the functions of the mitochondria, chloroplast and peroxisomes are not coordinated with the above components, these are not considered as part of the endomembrane system.


Fig. Eukaryotic cell

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