Question

who and when the cell theory proposed.when did they prepare it?what are its salient features of it

Answer 1

Cell Theory was proposed by Schwann & Schleiden in 1839. The Cell theory states that: i) The cell is the smallest unit of structure of all living things. ii) The cell is the unit of function of all living things. iii) All cells arise from pre-existing cells.

Answer 2

Explanation:

Matthias Jakob Schleiden was a German botanist and co-founder of cell theory, along with Theodor Schwann and Rudolf Virchow.

All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.