Which of the following is not correct?
Channel: Doubtnut
Date: 09/05/2020

Which of the following is not correct?    (a) Robert Brown discovered the cell.    (b) Schleiden and Schwann formulated the cell theory.   (c) Virchow explained that cells are formed from pre-existing cells.  (d) A unicellular organism carries out its life activities within a single cell.