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Which of the following statements about the light reactions is true?
Which of the following statements about the light reactions is true?
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Practice Questions
1 question
Q1
Which of the following statements about the light reactions is true?
They occur in the stroma
They do not require light
They produce ATP and NADPH
They fix carbon dioxide
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The light reactions produce ATP and NADPH, which are used in the Calvin cycle.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following statements about the light reactions is true?
Solution:
The light reactions produce ATP and NADPH, which are used in the Calvin cycle.
Steps: 6
Show Steps
Step 1: Understand that light reactions are the first part of photosynthesis.
Step 2: Know that light reactions occur in the thylakoid membranes of chloroplasts.
Step 3: Learn that light energy is captured by chlorophyll and used to split water molecules.
Step 4: Realize that splitting water produces oxygen and releases energy.
Step 5: Understand that this energy is used to create ATP (energy currency) and NADPH (electron carrier).
Step 6: Remember that ATP and NADPH are then used in the next stage of photosynthesis called the Calvin cycle.
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