Notes
Search ⌘KPhotosynthesis · Lecture 4
3 notes
Light-dependent reactions
Thylakoid membranes. Water is split, O₂ released, energy stored as ATP + NADPH.
The Calvin cycle
Stroma, no light needed directly. RuBisCO fixes CO₂ onto RuBP.
C4 vs CAM
Both avoid photorespiration: C4 splits it in space, CAM in time.
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The Calvin cycle
17:40 Runs in the stroma, no light needed directly.
18:05 RuBisCO fixes CO₂ onto RuBP (5 carbons).
- Splits into two 3-carbon molecules
- Spends the ATP + NADPH from stage one
19:10 RuBisCO is slow, so plants make a lot of it
The Calvin cycle
17:40 Runs in the stroma, no light needed directly.
18:05 RuBisCO fixes CO₂ onto RuBP (5 carbons).
- Splits into two 3-carbon molecules
- Spends the ATP + NADPH from stage one
19:10 RuBisCO is slow, so plants make a lot of it
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The Calvin cycle
17:40 Runs in the stroma, no light needed directly.
18:05 RuBisCO fixes CO₂ onto RuBP (5 carbons).
- Splits into two 3-carbon molecules
- Spends the ATP + NADPH from stage one
19:10 RuBisCO is slow, so plants make a lot of it
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