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1. What is the cell theory? Who propounded it andwhen ?​

Answer»

ong>Answer:

By the late 1830s, botanist MATTHIAS Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all living things are COMPOSED of one or more cells; the cell is the BASIC UNIT of LIFE; and new cells arise from existing cells.



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