Khan Academy
Khan Academy: Connections Between Cellular Respiration and Other Pathways
Resource examines how non-glucose molecules such as carbohydrates, proteins, and lipids enter the cellular respiration pathway. Also, looks at the use of cellular respiration intermediates for biosynthesis.
Khan Academy
Khan Academy: Intro to Photosynthesis
Discussion of the conversion of light energy to chemical energy through the life-sustaining process of photosynthesis. Explores the reactions of photosynthesis, where they take place, and their ecological importance.
BBC
Bbc: Gcse Bitesize: Photosynthesis
This lesson focuses on photosynthesis including what it is, the word and symbol equations for photosynthesis, how it works, and how the extra glucose is used. It also offers links to a video and a test.
Biology Pages
Kimball's Biology Pages: Photosynthesis Role of Light
This site describes cellular components involved in light reaction and describes steps involved in photosynthesis.