Correct Answer:
Option A - The classical cell theory was proposed by Schleiden and Schwann. According to theory–
living organisms are made up of cells, that they are the basic structural/organizational unit of all organism and that all cells come from pre-existing cells. Cells are the basic structural and functional unit of the body.
A. The classical cell theory was proposed by Schleiden and Schwann. According to theory–
living organisms are made up of cells, that they are the basic structural/organizational unit of all organism and that all cells come from pre-existing cells. Cells are the basic structural and functional unit of the body.