Cell: The Unit of Life — Chapter Summary

A cell is the fundamental structural

A cell is the fundamental structural and functional unit of all living beings. In unicellular organisms, one cell performs all life functions. In mult

Schleiden and Schwann gave coherence

Schleiden and Schwann gave coherence to the idea that living organisms are cellular. Virchow extended it by stating that all living cells arise from p

Viruses are acellular and lack cellular

Viruses are acellular and lack cellular organisation and metabolic machinery. Coenocytic organisms such as Rhizopus and Vaucheria have multinucleate c

Prokaryotic cells are simple in structure

Prokaryotic cells are simple in structure and are found in bacteria, cyanobacteria, mycoplasma, and PPLO. They lack a true nucleus and membrane-bound

Eukaryotic cells are found in all

Eukaryotic cells are found in all organisms other than bacteria and cyanobacteria. They have a true nucleus, membrane-bound organelles, and linear chr