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What is the role of water in the light reactions of photosynthesis?
What is the role of water in the light reactions of photosynthesis?
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What is the role of water in the light reactions of photosynthesis?
Source of electrons
Source of carbon
Source of glucose
Source of oxygen
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Water serves as the source of electrons in the light reactions.
Questions & Step-by-step Solutions
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Q: What is the role of water in the light reactions of photosynthesis?
Solution:
Water serves as the source of electrons in the light reactions.
Steps: 6
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Step 1: Understand that photosynthesis happens in two main stages: light reactions and dark reactions.
Step 2: Know that light reactions occur in the thylakoid membranes of chloroplasts when sunlight is absorbed.
Step 3: Recognize that water (H2O) is a key ingredient in the light reactions.
Step 4: Learn that when water is split (a process called photolysis), it releases electrons.
Step 5: Understand that these electrons are essential for creating energy-rich molecules like ATP and NADPH.
Step 6: Conclude that water is important because it provides the electrons needed for the light reactions to produce energy.
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