Question

which scientist discovered: all cells come from pre - existing cells? 1 point
rudolf virchow
anton van leeuwenhoek
matthias schleiden
theodor schwann

Explanation:

Rudolf Virchow is known for the concept "Omnis cellula e cellula" - all cells come from pre - existing cells. Anton Van Leeuwenhoek was a pioneer in microscopy. Matthias Schleiden contributed to the cell theory regarding plant cells. Theodor Schwann did the same for animal cells.

Answer:

A. Rudolf Virchow