Light-dependent Reactions Flashcards
(10 cards)
1
Q
occur in thylakoid membranes.
A
Light-dependent reactions
2
Q
Water is split into
A
O₂, electrons, and protons.
3
Q
starts electron transport and builds proton gradient
A
Photosystem II (P680)
4
Q
reduces NADP+ to NADPH via ferredoxin and NADP+
reductase.
A
Photosystem I (P700)
5
Q
produces ATP using the proton gradient (chemiosmosis).
A
ATP synthase
6
Q
Chlorophyll a and b absorb
A
different wavelengths of light.
7
Q
reflect green light, limiting photosynthetic efficiency under green ligh
A
Pigments
8
Q
are essential; blockers (like plastoquinone failure) stop
ATP/NADPH production.
A
Electron transport chains
9
Q
Oxygen released during PSII water-splitting is a
A
by-product
10
Q
are released into the stroma for the Calvin Cycle.
A
ATP and NADPH
