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C1.3 HL Details of Photosynthesis
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Total cards: 5•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (5)
#1
Front (Question)
Why do plants need both PSI and PSII?
Back (Answer)
Together they provide enough energy to reduce NADP⁺ and generate ATP.
#2
Front (Question)
Why does electron flow drive ATP synthesis?
Back (Answer)
Energy released along the ETC pumps protons → chemiosmosis.
#3
Front (Question)
What is the role of NADP⁺?
Back (Answer)
Final electron acceptor in LDR → forms NADPH for Calvin cycle.
#4
Front (Question)
Why is water necessary in the LDR?
Back (Answer)
Photolysis provides electrons to PSII and releases protons and oxygen.
#5
Front (Question)
Why does the Calvin cycle depend on light indirectly?
Back (Answer)
It requires ATP + NADPH produced only during LDR.