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Sunlight is radiation, or electromagnetic energy Radiation travels as waves Visible light is only a small part of the electromagnetic spectrum
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INSIDE THE LEAF OF THE PLANT INSIDE THE CELLS OF THE LEAF INSIDE THE CHLOROPLASTS OF THE CELLS 6CO 2 + 6H 2 O (+ light energy) C 6 H 12 O 6 + 6O 2 Photosynthesis Cellular Respiration CO 2, H 2 O O 2, glucose ATP Sunlight In the CHLOROPLAST In the MITOCHONDRION Sunlight is radiation, or electromagnetic energy Radiation travels as waves Visible light is only a small part of the electromagnetic spectrum Pigments built in thylakoids Absorb some wavelengths of light; reflect or transmit others Chlorophyll a Absorbs blue-violet and red light, reflects green light Raises the level of energy in electrons. Chlorophyll b Absorbs blue and orange light, reflects yellow-green Conveys absorbed energy to chlorophyll a Light Reflected light Absorbed light Chloroplast Transmitted light Chlorophyll, (inside of thylakoids) captures light energy (CO 2 ) enters the plant through stomata (small pores) in the leaf (H 2 O) enters the plant through its roots 6CO 2 + 6H 2 O (+ light energy) Oxygen gas Used by plants and animals during cellular respiration Glucose Used for energy C 6 H 12 O 6 + 6O 2 Photosynthesis takes place in 2 stages 1.Light-Dependent - Thylakoids Convert light energy to chemical energy and produce oxygen gas. 2.Light Independent (Calvin Cycle) - Stroma ATP and NADPH power the synthesis of sugar from carbon dioxide and water. Light collecting units of the chloroplasts Clusters of pigments and chlorophyll found in thylakoid membranes There are 2 photosystems: Photosystem I Photosystem II PhotosynthesisCellular Respiration FunctionCapture EnergyRelease Energy LocationChloroplastsMitochondria ReactantsCarbon Dioxide Water Glucose Oxygen ProductsGlucose Oxygen Carbon Dioxide Water