Chap 3   Chapter 4 extras: Energy   Chap 5

"When you breathe, you respire. When you do not breathe, you expire." - Anon.

Supplementary videos
BANANA & ORANGE. Carotenoids pass energy to chlorophyll; B-carotene A photosynthetic sea slug: an animal with chloroplasts
Dengue virus: Proton pump lowers pH (University of Massachusetts Medical School)
Proton pump inhibitors (active transport using ATP)
Biofuel from tofu waste by fermentation
The world's first commercial scale cellulosic ethanol plant
Energy sources for prolonged exercise

Extra credit readings

Copyleft Peter Chen