Enzymes proofread DNA, reducing the error rate to one in one billion base pairs. Learn about the important process and so much more with the help of a presentation. It opens with the history of DNA and the major scientific contributions...

The human body contains more than 200 types of cells, and plants contain many other unique types of cells. While a huge variety of cells exist, they appear to have very similar structures. A detailed presentation describes the structure...

Based on DNA, fungi relate more closely to animals than to plants. This new scientific knowledge shifted the world view of scientists and opened up new classifications. Viewers learn about fungi's place in evolution, in the tree of life,...