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Photosynthesis: Using Light to Make FoodCHAPTER 7Photosynthesis: Using Light to Make FoodCHAPTER 7
Basics of Photosynthesis
o The Chloroplast
o Overall Equation
o Overview of Process
Light Reactions: Sunlight Into Chemical Energy
o The Wavelengths of Sunlight
o Photosynthetic Pigments
o Photosystems Overview
o ATP and NADPH Generation
Calvin Cycle: Making Sugar from CO2
o Powered Linking of Carbon Bonds
o Water Saving Adaptations
Photosynthesis and Global Warming
Photosynthesis: Using Light to Make FoodCHAPTER 7Photosynthesis: Using Light to Make FoodCHAPTER 7
Basics of Photosynthesis
o The Chloroplast
o Overall Equation
o Overview of Process
Light Reactions: Sunlight Into Chemical Energy
o The Wavelengths of Sunlight
o Photosynthetic Pigments
o Photosystems Overview
o ATP and NADPH Generation
Calvin Cycle: Making Sugar from CO2
o Powered Linking of Carbon Bonds
o Water Saving Adaptations
Photosynthesis and Global Warming
Chloroplast Pigments
• Chloroplasts contain several pigments:
– Chlorophyll a
– Chlorophyll b
– Carotenoids
Light and Pigments
• An electron transport chain
– Connects the two photosystems.
– Releases energy that the chloroplast uses to make ATP and NADPH.
Physical Layout of the Light Reactions
Photosynthesis: Using Light to Make FoodCHAPTER 7Photosynthesis: Using Light to Make FoodCHAPTER 7
Basics of Photosynthesis
o The Chloroplast
o Overall Equation
o Overview of Process
Light Reactions: Sunlight Into Chemical Energy
o The Wavelengths of Sunlight
o Photosynthetic Pigments
o Photosystems Overview
o ATP and NADPH Generation
Calvin Cycle: Making Sugar from CO2
o Powered Linking of Carbon Bonds
o Water Saving Adaptations
Photosynthesis and Global Warming
The Calvin Cycle: Making Sugar from Carbon Dioxide• The Calvin
Cycle/Light-Independent Reactions
– Functions like a sugar factory within a chloroplast.
– Regenerates the starting material with each turn.
Copyright © 2007 Pearson Education, Inc. publishing as Pearson Benjamin Cummings
Calvin Cycle
Photosynthesis: Using Light to Make FoodCHAPTER 7Photosynthesis: Using Light to Make FoodCHAPTER 7
Basics of Photosynthesis
o The Chloroplast
o Overall Equation
o Overview of Process
Light Reactions: Sunlight Into Chemical Energy
o The Wavelengths of Sunlight
o Photosynthetic Pigments
o Photosystems Overview
o ATP and NADPH Generation
Calvin Cycle: Making Sugar from CO2
o Powered Linking of Carbon Bonds
o Water Saving Adaptations
Photosynthesis and Global Warming
Photosynthesis: Using Light to Make FoodCHAPTER 7Photosynthesis: Using Light to Make FoodCHAPTER 7
Basics of Photosynthesis
o The Chloroplast
o Overall Equation
o Overview of Process
Light Reactions: Sunlight Into Chemical Energy
o The Wavelengths of Sunlight
o Photosynthetic Pigments
o Photosystems Overview
o ATP and NADPH Generation
Calvin Cycle: Making Sugar from CO2
o Powered Linking of Carbon Bonds
o Water Saving Adaptations
Photosynthesis and Global Warming
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