Questions and Answers
What are the products of light dependent reactions?
Oxygen, ATP, NADPH
What are the products of the Calvin cycle?
Glucose
Where do light dependent reactions take place?
Thylakoid
Where does the Calvin cycle take place?
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Where are the chlorophyll located in the chloroplast?
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What factors affect photosynthesis?
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Why is ATP useful to cells?
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Study Notes
Photosynthesis Overview
- Photosynthesis consists of two main stages: light-dependent reactions and the Calvin cycle.
Products of Light-Dependent Reactions
- The light-dependent reactions produce oxygen, a byproduct released into the atmosphere.
- ATP (adenosine triphosphate) is generated, serving as a primary energy currency of cells.
- NADPH is produced, acting as a reducing agent in the Calvin cycle.
Products of the Calvin Cycle
- The Calvin cycle results in the production of glucose, which is a crucial energy source for plants and other organisms.
Locations of Key Photosynthetic Processes
- Light-dependent reactions occur in the thylakoid membranes of chloroplasts, where light energy is captured.
- The Calvin cycle takes place in the stroma of the chloroplast, utilizing the ATP and NADPH produced in the light-dependent reactions.
Chlorophyll's Role
- Chlorophyll molecules, vital for capturing light energy, are located in the thylakoid membrane of chloroplasts.
Factors Affecting Photosynthesis
- Temperature, light intensity, and availability of water are critical factors influencing the rate of photosynthesis.
Importance of ATP in Cells
- ATP is essential for cellular function, capable of easily releasing and storing energy by breaking and re-forming bonds between its phosphate groups, providing immediate energy for cellular activities.
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Description
Explore the fundamental processes of photosynthesis, including the light-dependent reactions and the Calvin cycle. Understand the products of these stages such as oxygen, ATP, NADPH, and glucose. Learn about the key locations within chloroplasts where these processes occur.
