3.3: Cellular Energy

In topic 3.1, we learned that enzymes can both break apart and join substrates. However, as with most things, it's much harder to build than destroy. Topic 3.3 explains the energy cells need to join molecules.

Videos:

AP Playground | Cellular Energy

PoseKnows Biology | Cellular Energy

Amoeba Sisters | What is ATP?

Crash Course Biology | ATP and ADP (clip)

Bozeman Science | ATP: Adenosine Triphosphate

Bozeman Science | Life Requires Free Energy