As scientists have made new discoveries and have changed their understanding of cells the cell theory has changed over time. Which two of the following statements were not part of the original cell theory. Choose 2 correct answers. Cells contain DNA that is passed onto offspring. All living things are made of cells. D The cell is the basic unit of life. Energy to sustain life is generated in the cell.

The two statements that were *not* part of the original cell theory are:<br /><br />* **Cells contain DNA that is passed onto offspring.** DNA was not discovered until much later than the original tenets of cell theory were established. The original cell theory predates the knowledge of DNA's role in heredity.<br /><br />* **Energy to sustain life is generated in the cell.** While true, this concept of cellular metabolism as the source of life's energy wasn't part of the initial cell theory. The original theory focused on the structural nature of living things being composed of cells.<br />