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Photosynthesis
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Photosynthesis
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What is photosynthesis?
The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, by converting carbon dioxide and water to carbohydrates and releasing oxygen.
What is the primary pigment in plants that captures sunlight?
Chlorophyll
What is the role of chlorophyll in photosynthesis?
Chlorophyll absorbs light energy that is used to convert carbon dioxide and water into glucose and oxygen.
What are the two stages of photosynthesis?
The light-dependent reactions, which take place in the thylakoid membrane and produce ATP and NADPH, and the light-independent reactions or the Calvin cycle, which take place in the stroma and produce glucose.
Where do the light-dependent reactions take place?
Thylakoid membrane
Where do the light-independent reactions take place?
Stroma
What is the function of ATP in photosynthesis?
ATP is used as an energy source to fuel the light-independent reactions of photosynthesis.
What is the function of NADPH in photosynthesis?
NADPH is used as a reducing agent in the light-independent reactions of photosynthesis to convert carbon dioxide into glucose.
In what types of cells does photosynthesis occur?
Photosynthesis occurs in plant cells, algae, and some types of bacteria (such as cyanobacteria).
What is the importance of photosynthesis?
Photosynthesis is important because it is the process by which green plants and some other organisms produce the oxygen we breathe and the food we eat. It is also the basis of almost all life on Earth, as it provides the energy and organic matter that most other organisms rely on.
