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Wake-up 1. What is the role of pigments in photosynthesis? 1. Where can they be found? 1. Write the summative equation for photosynthesis using words. Photosynthesis II Christopherson Photosynthesis Function To produce glucose (food) for producers The formula for glucose: C6H12O6 Photosynthesis: How? Plants absorb sunlight energy, carbon dioxide and water to make glucose The giant sequoia tree is one of the largest trees on earth. It starts as a small seedling and grows into an enormous tree. Five children can stretch their arms across the width of the truck of one of the large sequoia trees! Where did most of the MATTER that makes up the wood and leaves of this huge tree originally come from? Circle the best answer. • • • • • • • Sunlight Water Soil Carbon dioxide Oxygen Minerals Chlorophyll Explain your thinking. How did you decide where most of the matter that makes up this tree came from? *Where are we? Photosynthesis Summative Equation (Formula) Sunlight Energy CO2 + H2O C6H12O6 + O2 Reactants What is needed Products What is produced Light Dependent Reaction: Location Thylakoid: Location of pigments; absorb sunlight energy Light-Dependent Reaction H 1. Oxygen’s Plants Pigments absorb absorb 3.2. combine and sunlight water; leave break energy as it oxygen gasH’s down into and O’s O O H H H H2O O2 Light-Dependent Reaction: Reactants Hint: Look at arrows going in Water H2O H Sunlight Energy O O H H H O2 Light-Dependent Reaction: Products Hint: Look at arrows going out H Oxygen O O H H H O2 H2O Wake-up 1. Write the summative equation for photosynthesis. 2. In examining the equation in #1, how does the light-dependent reaction contribute to it????? Calvin Cycle: Location Stroma: Fluid inside the chloroplast 2. 1. 4. 3. Producers absorb carbon dioxide; break off the Carbon dioxide is released by consumers and The six carbons, the stored energy from the sun, Calvin Cycle Process continues until six carbons aretocollected carbon; and oxygen. hydrogen, and release oxygen ALL combine together make producers Glucose C6H12O6 CO2 CO2 CO2 CO2 CO2 CO2 O2 C C C6HC12O6 C C C O2 O2 O2 O2 O2 Calvin Cycle CO2 CO2 CO2 CO2 CO2 CO2 O2 C C C C C C C6H12O6 O2 O2 O2 O2 O2 Why are 6 carbon dioxide molecules absorbed? Need 6 carbons from carbon dioxide to make: C6H12O6 Glucose Reactants: Calvin Cycle CO2 CO2 CO2 CO2 CO2 CO2 O2 C C C C C C C6H12O6 O2 O2 O2 O2 O2 Carbon dioxide Products: Calvin Cycle O2 Oxygen CO2 CO2 CO2 CO2 CO2 CO2 C C C C C C C6H12O6 O2 O2 O2 O2 O2 Glucose Photosynthesis Stop 2:23 The giant sequoia tree is one of the largest trees on earth. It starts as a small seedling and grows into an enormous tree. Five children can stretch their arms across the width of the truck of one of the large sequoia trees! Where did most of the MATTER that makes up the wood and leaves of this huge tree originally come from? Circle the best answer. • • • • • • • Sunlight Water Soil Carbon dioxide Oxygen Minerals Chlorophyll Explain your thinking. How did you decide where most of the matter that makes up this tree came from? Photosynthesis Song