Question

Write about the cell theory proposed by Schleiden and Schwann.

Answer 1

Schledin,a German botanist and Schwann,a german zoolgist, together put forth the "Cell theory" in 1839.Cell theory states 1) The body of living organisms is formed of one or more cells. 2) All the cells arise only from preexisting cells through cell division.

Answer 2

Schleiden & Schwann formulated cell theory in 1839
postulates are:-
↓Living beings are made up of cells nd their products
↓A cell is a mass of protoplasm having a nucleus
↓Cells are similar in basic structure nd metabolism
↓Cells are units of structure in body of living organisms.