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8- Photosynthesis_Review Sheet

8- Photosynthesis_Review Sheet - Photosynthesis Review...

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Photosynthesis Review Sheet Exercise 8 Instructor: Kristin Storie What is photosynthesis? 100% efficient process that transforms atmospheric carbon dioxide into oxygen and carbohydrates. Photosynthesis is the primary means by which chemical energy is added to the biosphere, is the source of oxygen required or aerobic respiration, and provided the basis for all terrestrial and most aquatic food webs. What sort of organisms photosynthesize? Eukaryotic cells of plants and algae. Is photosynthesis strictly found only in eukaryotes? How is photosynthesis related to cellular respiration? Eukaryotic cells, including photosynthetic cells undergo cellular respiration. Aerobic cellular respiration relies on the oxygen produced during photosynthesis to break down glucose and power cellular metabolism. A by-product of carbon dioxide is released to the atmosphere where it is available for photosynthesis. The interdependence between the products of photosynthesis and cellular respiration continually recycles the basic requirements for eukaryotic cells to survive. Where does photosynthesis occur in plants? In the eukaryotic cells of plants and algae, photosynthesis occurs in the thylakoid membranes layered as grana stacks in the chloroplasts. Primary photosynthetic pigments are chlorophyll a, chlorophyll b, carotene and xanthophylls. Be able to identify and know what parts of photosynthesis occur in each of the following on a diagram or model of a chloroplast: thylakoid membrane, grana (granum), stroma, outer envelope, inner envelope What is the difference between a chloroplast and chlorophyll? Chloroplast is the entire structure What is the overall equation of photosynthesis? 6 CO2 + 6 H2O C6H12O6 + 6 O2 Carbon dioxide and water glucose and oxygen
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What are the three major “inputs” of photosynthesis?
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