Fig. 7-00
Fig. 7-01
Plants(mostly on land)
Photosynthetic Protists(aquatic)
PHOTOSYNTHETIC AUTOTROPHS
Photosynthetic Bacteria(aquatic)
Micrograph of cyanobacteriaKelp, a large algaForest plants
LM
Fig. 7-01a
Plants(mostly on land)
Forest plants
Fig. 7-01b
Photosynthetic Protists(aquatic)
Kelp, a large alga
Fig. 7-01c
Photosynthetic Bacteria(aquatic)
Micrograph of cyanobacteria
LM
Fig. 7-02-1
Leaf cross section
Stomata
Vein
CO2 O2
Fig. 7-02-2
Leaf cross section
Stomata
Vein
CO2 O2
Interior cellL
M
StromaGranum Thylakoid
ChloroplastOutermembrane
Innermembrane
TE
M
Fig. 7-02a
Leaf cross section
Stomata
Vein
CO2 O2
Fig. 7-02b
StromaGranum Thylakoid
Chloroplast Outermembrane
Innermembrane
TE
M
Fig. 7-03-1
Light
H2O
O2
Chloroplast
Lightreactions
NADPH
ATP
Fig. 7-03-2
Light
H2O
O2
Chloroplast
Lightreactions
NADPH
ATP
Calvincycle
CO2
NADP+
ADPP
Sugar
(C6H12O6)
Fig. 7-04
Visible light
Wavelength (nm)
Radiowaves
380 400 500 600 750700
Wavelength = 580 nm
Micro-waves
Gamma
raysInfraredUVX-rays
10–5 nm 10–3 nm 103 nm1 nm 106 nm 1 m 103 m
Increasing wavelength
Fig. 7-05
Bacterium
Wavelength of light (nm)400 500 600 700
Light
Nu
mb
er o
f b
acte
ria
Algal cells
Prism
Microscope slide
Fig. 7-06
Light
Chloroplast
Reflectedlight
Absorbedlight Transmitted
light
Fig. 7-06a
Light
Chloroplast
Reflectedlight
Absorbedlight
Transmittedlight
Fig. 7-06b
Fig. 7-07
Fig. 7-08
Light
(b) Fluorescenceof a glow stick
Photon
Heat
Light (fluorescence)
Ground stateChlorophyllmolecule
Excited statee–
(a) Absorptionof a photon
Fig. 7-08a
Light
Photon
Heat
Light (fluorescence)
Ground stateChlorophyllmolecule
Excited state
e–
(a) Absorption of a photon
Fig. 7-08b
(b) Fluorescence of a glow stick
Fig. 7-09-1
Chloroplast
Fig. 7-09-2
Chloroplast
Thylakoidmembrane
Pigment molecules
Fig. 7-09-3
Chloroplast
Thylakoidmembrane
Pigment molecules
Antenna pigmentmolecules
Primaryelectronacceptor
Reaction-centerchlorophyll a
Photon
Electrontransfer
Reactioncenter
PhotosystemTransfer of energy
Fig. 7-10-1
Primaryelectronacceptor
Water-splittingphotosystem
Light
H2O
2 H
Reaction-centerchlorophyll
2e–
2e–
O2++ 1
2
Fig. 7-10-2
Primaryelectronacceptor
Water-splittingphotosystem
Light
H2O
2 H
Reaction-centerchlorophyll
2e–
2e–
O2++
Electron transport chain
Energyto make
ATP
1
2
Fig. 7-10-3
Primaryelectronacceptor
Water-splittingphotosystem
Light
H2O
2 H
Reaction-centerchlorophyll
2e–
2e–
O2++
Electron transport chain
Energyto make
ATP
Primaryelectronacceptor
2e–
Light
NADPH-producingphotosystem
Reaction-centerchlorophyll
2e–
NADPH
NADP
1
2
Fig. 7-11
Light
H2O
Thylakoidmembrane
2e–
O2
ATP
NADP
Light
Stroma
Inside thylakoid
Photosystem PhotosystemElectron transport chain
NADPH
ADP P
H+
ATPsynthase
To Calvin cycle
H
Electron flow
H+H
H
H
H
1
2
Fig. 7-11a
Light
H2O
Thylakoidmembrane
2e–
O2
ATP
NADP
Light
Stroma
Inside thylakoid
Photosystem PhotosystemElectron transport chain
NADPH
ADP P
ATPsynthase
To Calvin cycle
Electron flow
H
1
2
HH
H
H H
H
Fig. 7-12
Water-splittingphotosystem
e–
Ph
oto
n
ATP
NADPH
e–
e–
e–
e–
e–
Ph
oto
n
e–
NADPH-producingphotosystem
Fig. 7-13-1
Calvincycle
P P
P
Three-carbon moleculeRuBP sugar
CO2 (from air)
Fig. 7-13-2
ATP
NADPH
Calvincycle
ADP P
NADP
P
P P
P
G3P sugar
Three-carbon moleculeRuBP sugar
CO2 (from air)
Fig. 7-13-3
ATP
NADPH
ADP P
NADP
P
P
P
P P
P
G3P sugar
Three-carbon molecule
G3P sugar
G3P sugar
RuBP sugar
CO2 (from air)
Calvincycle
Glucose (and other organic compounds)
Fig. 7-13-4
ATP
NADPH
Calvincycle
ADP P
NADP
P
P
P
P P
P
ADP P
ATP
G3P sugar
Three-carbon molecule
G3P sugar
G3P sugar
RuBP sugar
CO2 (from air)
Glucose (and other organic compounds)
Fig. 7-14
Sugar
C4 Pathway(example: sugarcane)
C4 plant CAM plantSugar
Calvincycle
Calvincycle
Day
Celltype 1
Four-carboncompound
Night
Four-carboncompound
Celltype 2
CAM Pathway(example: pineapple)
ALTERNATIVE PHOTOSYNTHETIC PATHWAYS
CO2 CO2
CO2 CO2
Fig. 7-14a
Sugar
C4 Pathway(example: sugarcane)
C4 plant
Calvincycle
Celltype 1
Four-carboncompound
Celltype 2
CO2
CO2
Fig. 7-14b
CAM plant
Sugar
Calvincycle
Day
Four-carboncompound
Night
CAM Pathway(example: pineapple)
CO2
CO2
Fig. 7-UN01
Carbon dioxide
6 O26 CO2 6 H2O C6H12O6
Water GlucosePhoto-synthesis Oxygen gas
Light energy
Fig. 7-UN02
Light
reactions
CO2
O2
H2O
(C6H12O6)
NADPH
Light
Sugar
ATP
ADPP
NADP
Calvin
cycle
Fig. 7-UN03
Light
reactions
CO2
O2
H2O
(C6H12O6)
NADPH
Light
Sugar
ATP
ADP
P
NADP
Calvin
cycle
Fig. 7-UN04
Carbon dioxide
6 O26 CO2 6 H2O C6H12O6
Water GlucosePhotosynthesis
Oxygen gas
Light energy
Fig. 7-UN05
Light H2O
O2
Chloroplast
Lightreactions
NADPH
ATP
Calvincycle
CO2
NADP+
ADPP
Sugar
(C6H12O6)
Stack ofthylakoids Stroma
Fig. 7-UN06
acceptor
Water-splittingphotosystem
Photon
H2O
2 H
Chlorophyll
2e–
O2++
Electron transport chain
ATP
NADPH-producingphotosystem
Chlorophyll
NADPH
NADP+
e–
2e–
2e–
2e–
e–
acceptorADP
Photon
21
Fig. 7-UN07
NADPH
Calvincycle
ADP P
NADP
P
ATP
G3P
CO2
Glucose andother compounds