I keep getting “Calvin cycle (dark reaction)” questions wrong in Photosynthesis in Higher Plants. What's the trap?
thinking the 'dark reaction' happens only at night.
The usual trap: thinking the 'dark reaction' happens only at night. How to avoid it: it's called light-independent, but it usually runs in daylight using the light reaction's products. Go back to the definition — occurs in the stroma, fixing CO₂ into sugar using the ATP and NADPH from the light reactions.
Key point
Calvin cycle (dark reaction)
Common mistake
thinking the 'dark reaction' happens only at night.
Memory tip
it's called light-independent, but it usually runs in daylight using the light reaction's products.
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