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 1700, Anton von Leeuwenhoek had produced numerous drawings of cells, produced a number of microscopes. 2  1838 and 1839, Matthias Schleiden and Theodor Schwann originated cell theory: 3  1855, Rudolf Virchow, found that cell only arise by division of other cells.