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.
The first parts of cell theory were discovered in 1838. In 1853, the whole cell theory was discovered. Between the three germen scientists Theodor Schwann, Rudolph Virchow, Matthias Schleiden: they all discovered at least one part of the theory.