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Chapter 10 (Environmental and Internal Factors (Light (quality of light…
Chapter 10
Environmental and Internal Factors
Water
C4 Metabolism
photorespiration
PEP(phosphoenolpyruvate) carboxylase
Leaf Structure
Crassulacean Acid Metabolism (CAM)
second metabolic adaptation
Light
quality of light
color/wavelength
quantity of light
intensity/brightness
duration of sunlight
Energy and Reducing Power
Energy Carriers
Photosynthesis
Pigments
ATP
adenosine diphosphate
(ADP)
photophosphorylation
substrate-level phosphorylation
oxidative phosphorylation
Phosphate
Guanosine Triphosphate
High Energy Phosphate Bonds
Reducing Power
Reduced
reduction reaction
reduced compounds
reducing power
reducing agents
Oxidized
oxidation state
oxidized compounds
oxidizing agents
Redox Potential
Other Electron Carriers
Plastocyanin
carries electron on metal atom
chloroplast membrans
Plastoquinones
pickup electrons
bind protons
hydrophobic
Cytochromes
heme
carry electrons
Photosynthesis
The Light Dependent Reactions
The Nature Of Light
Electromagnetic Radiation Spectrum
Quantum/quanta
Photons
The Nature of Pigment
Pigment
absorbs light
chlorophyll a
some red and blue
5% of energy available
electron activated
ground state
excited state
fluorescence
absorption spectrum
strongly absorbed wavelengths
action spectrum
most effective wavelengths
accessory pigments
chlorophyll b
carotenoids
antenna complex
reaction center
Photosystem I
ferrodoxin
ferredoxin-NADP+ reductase
P700
Photosystem II
plastocyanin
cytochrome b6/f complex
Q
phaeophytin
P680
Electron Transport Chain
Synthesis of ATP
chemiosmotic phosphorylation
granum/grana
frets
stroma
thylakoid lumen
ATP synthetase
CF0-CF1 complex
noncyclic electron transport
cyclic electron transport
The Stroma Reactions
Calvin/Benson cycle
acceptor molecule
ribulose-1
5-bisphosphate
RuBP
3-phosphoglycerate
RuBP carboxylase (RUBISCO)
large complex enzyme
1, 3-diphosphoglycerate
3-phosphoglyceraldehyde
Anabolic Metabolism
anabolism
anabolic reactions
Synthesis of Polysaccharides
gluconeogenesis
diydroxyacetone phosphate
fructose-1, 6-bisphosphate
fructose-6-phosphate
glucose-6-phosphate