States of cell

1.	States of cell
Answer» By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified\xa0cell\xa0theory. The unified\xa0cell\xa0theory\xa0states\xa0that: all living things are composed of one or more\xa0cells; the\xa0cell\xa0is the basic unit of life; and new\xa0cells\xa0arise from existing\xa0cells

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