Question

who proposed cell theory give its postulates

Answer 1

Cell theory was originally given by German botanist Matthias Schleiden & German physiologist Theodor Schwann together based on their researches in 1838 & 1839 respectively.

This theory proposed the hypothesis that all living bodies are composed of 1 or many cells. However, this theory didn't explain how new cells were formed.

So, in 1855, Rudolf Virchow came forward & explained “Omnis cellula-e cellula”, meaning ‘all cells arise from pre-existing cells’.

So, the postulates of the modern cell theory are as follows:

Cell is the basic functional & structural unit of life(all living organisms).

All living organisms are composed of cells & the products of cells.

All cells arise from the division of pre-existing cells.

Note : ‘Viruses’ are exception to the cell theory as they lack cellular organisation.

Answer 2

Answer:

cell theory was proposed by three scientists Schleiden,Schwann and Virchow

Explanation:The three main postulates of cell theory are:

1. all organisms are composed of one or more cells

2.the cell is the basic unit of structure and organization

3.cells arise from pre-existing cells..

Hope that it helps..:)