3 CO2
3
6
Calvin
cycle
ATP
ATP
6 NADPH
sugar
3 molecules
CO2
3 molecules
rubisco
3 molecules
of RuBP
1. carbon
fixation
6 molecules
of 3-PGA
3 ADP
6
3
ATP
4. regeneration
of RuBP
from light
reactions
5 molecules
of G3P
from light
reactions
6 ADP
2. energizing
the sugar
6 molecules of
3-PGA derivative
3. exit of
product
1 molecule
of G3P
ATP
6 NADPH from light
reactions
+
6 NADP
6 molecules
of G3P
glucose and
other derivatives
CO2
H2O
sunlight
ATP
NADPH
light reactions
in thylakoids
Calvin
cycle
Calvin cycle
reactions in
stroma
ADP
NADP+
O2
chloroplast
sugar
David Krogh, A BRIEF GUIDE TO BIOLOGY, 1/e © 2007 Pearson Prentice Hall, Inc.
Figures 8.7, 8.9