I keep getting “Cell theory” questions wrong in Cell: The Unit of Life. What's the trap?
forgetting Virchow's addition that cells come only from other cells.
The usual trap: forgetting Virchow's addition that cells come only from other cells. How to avoid it: Schleiden + Schwann said 'all life is cells'; Virchow added 'cells from cells'. Go back to the definition — all living organisms are made of cells, and every cell arises from a pre-existing cell.
Key point
Cell theory
Common mistake
forgetting Virchow's addition that cells come only from other cells.
Memory tip
Schleiden + Schwann said 'all life is cells'; Virchow added 'cells from cells'.
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