Question

tell me the answer of 3 questions ​

Answer 1

${\sf{\color{maroon}{Answer~3}}}$

Brown published his research findings and gave speeches. His discovery of the nucleus and its role helped to put together the cell theory, which states that all living organisms are composed of cells, and cells come from pre-existing cells. Brown's discovery helped to confirm the second half of the cell theory.

${\sf{\color{maroon}{Answer~4}}}$

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