plants carbon dioxide oxygen photosynthesis energy chlorophyll photosynthetic chemical energy chloroplasts molecules organisms chloroplast sunlight green plants electrons pigments photosynthetic organisms CO2 ATP carbohydrates leaf Photosynthesis cells glucose electron reactions light energy algae sugars NADPH cyanobacteria proteins reaction carbon carbon assimilation used with permission carbohydrate oxygenic photosynthesis excess oxygen pho pigment Purves molecule Dictionary syn thet Sinauer Associates Calvin cycle photosynthetic bacteria Sound Photosynthesis DVDs enzyme Houghton Mifflin Company chlorophyll a Science VHS cassettes carbon fixation WH Freeman using light C4 plants compact discs irradiance bacteria wavelengths 4th Edition Richard Feynman art historian spirituality audio Terence McKenna ethnobotanist Consciousness Green plants food light reactions higher plants quantum physics Huston Smith high technology Religion and Philosophy society sugar night time ThinkQuest Team sleep shut down tiny pores Animals a Flower earth Monocots and Dicots How Plants Grow Seeds Calvin Cycle EoE Encyclopedia of Earth antenna layer Bioenergy solar energy cycle reactions CAM photosynthesis Study Photosynthesis photorespiration gases in the atmosphere coal smart toys Nanotechnology Psychedelics photosynthetic reaction centers research fuels steps of photosynthesis photosynthesis research products of photosynthesis process of photosynthesis membrane electron transfer cell carotenoids number & name the leaves protein reaction center plant cells stomates guard cells chemical reactions absorbs