Calvin Cycle
Rubisco ____tell the difference between CO2 and O2!
CAN'T
CO2 is "fixed" into ____(C3 organic molecule) by the action of the enzyme RuBisCo on RuBP.
G3P
Calvin cycle needs _____
LIGHT
H+ and energy transform PGA to____(C3 sugar)
PGAL
every 3 CO2's fixed forms one usable molecule of ___
PGAL
C6H12O3
PGAL NOT glucose!
Phase 1:
carbon fixation
input into Calvin cycle
inorganic carbon
Calvin cycle no longer involves capturing ___ energy.
light
___ reactions produced lots of usable ATP
light
output of Calvin cycle
organic carbon
BUT ATP is _____(storing energy only for a few minutes)
unstable
carbon fixation reaction
Calvin cycle
dark reaction
Calvin cycle
ATP and NADPH
Produced during light reactions, they are needed for energy to power reactions.
Phase 3:
Regeneration of the CO2 acceptor (RuBP)
Calvin cycle takes place in the ____ of the chloroplast.
Stroma
Phase 2:
reduction
most ___ are ___ at night, making LOW CO2 levels.
stomates, closed.