Q Three parts of the cell theory What are the three parts of the cell theory? Please, explain Answer by expert Jack Hire an expert Our experts in all academic subjects are available 24/7. Don't hesitate to ask questions and start discussions whenever you need professional advice. A Answer: All known living organisms are made of cells Cells are the smallest basic units of structure for all living organisms Only already existing cells can produce new cells Biology 3 years ago 212 Views