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.
What is the development of the cell theory? In seventeenth century, microscopes were improved. . Robert Hooke cut a thin slice of cork and looked at it under the microscope.To Hooke, the cork seemed to be made up of em â¦ pty little boxes,which he named cells. .