| A | B |
|---|
| cell | the most basic unit of life |
| nucleus | gives instructions for the cell |
| cell membrane | a barrier that surrounds the cell |
| cell membrane | allows certain things in and out of the cell |
| cell | what all living things are made of |
| DNA | stores genetic information in the nucleus |
| DNA | Double helix in shape |
| chromosomes | the form of DNA when the cell is dividing to make new cells |
| plant cells | need water, carbon dioxide, and light |
| animal cells | need oxygen and food |
| plant cells | make oxygen and food |
| animal cells | make energy, carbon dioxide, and water |
