Question

What is the cell theory and what does it state?

Answer 1

Cell theory is one of the basic principles of biology that describes the properties of cells .

Explanation:

Cell theory was contributed by M Scheiden and T Schwann in the year 1838.
Cell theory states:
1) All living organisms are composed of one or more cells.
2) Cell is the basis unit of structure and organisation in living organisms
3) All cells arise from pre existing cells.