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Question
Biology
Posted 4 months ago
what happens to H2O and CO2during photosynthesis
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Answer from Sia
Posted 4 months ago
Answer
During photosynthesis, H2O is split into oxygen, protons, and electrons, while CO2 is fixed into organic molecules.
Solution
a
Water molecules (H2O) are split in the light-dependent reactions of photosynthesis to produce oxygen (O2), protons (H+), and electrons (e-). This process is known as photolysis
b
Carbon dioxide (CO2) is used in the Calvin cycle, which is the light-independent reaction of photosynthesis. CO2 is fixed into organic molecules like glucose through a series of enzymatic reactions
Key Concept
Photolysis of water and carbon fixation
Explanation
H2O is split to provide electrons for the light-dependent reactions, while CO2 is fixed into sugars during the Calvin cycle.

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