SNC2P Name: ____________________ Cell Theory Notes 1. How can you tell that something is living? List three reasons 2. What are the three postulates of cell theory? 3. Why are cells so small? Complete the following sentences: 4. Cells contain ____________ which contains their genetic information and it is passed on each time a cell divides. 5. Cell size ranges from ____ to ____ µm. 6. Cell activities are dependent on substructures known as ___________________. 7. There are two varieties among animal cells: ____________________ and _______________________.