Compare and contrast the structure of human, plant and a bacterium's cells. What are the main differences between plants and humans versus bacteria? Clue: DNA storage...

Meet adenine (A), thymine (T), guanine (G), and cytosine (C). Look how they work in pairs and link the two strands of polymer chains. What kind of polymer are you looking at? Discuss in class.

Compare how similar our DNA is to other forms of life. This beautiful poster was designed by the National Genome Research Institute.