The document provides an overview of photosynthesis, including: 1) Photosynthesis uses light energy from the sun to convert carbon dioxide and water into sugars and oxygen through a two-stage process of light-dependent and light-independent reactions. 2) The light reactions convert solar energy to chemical energy stored in ATP and NADPH. The Calvin cycle then uses this chemical energy to fix carbon from carbon dioxide into sugars. 3) Two photosystems, Photosystem I and Photosystem II, work together to drive electron transport and generate a proton gradient used to produce ATP through chemiosmosis.

1. Photosynthesis Mr. Hunter AP.IB Biology Notes Hyde Park Academy 12/25/2009