Shelf Life: Canola Carrier Oil is very stable; users can expect a shelf life of 6 months to 1 year with proper storage conditions (cool, out of direct sunlight). Refrigeration after opening is recommended.
*Hans and Zacharias Janssen had to first develop the microscope before cells could be discovered. Robert Hooke then discovered empty, dead cork cells in tree bark. Anton van Leeuwenhoek discovered the existence of living cells and is sometimes given credit for the microscope. 5. List the three parts of the cell theory.
1 The three scientists that contributed to the development of cell theory are Matthias Schleiden, Theodor Schwann, and Rudolf Virchow. 2  A component of the cell theory is that all living things are composed of one or more cells.  A component of the cell theory is that the cell is the basic unit of life.