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Photo synthesis: energy metabolism (environmental and internal impacts…
Photo synthesis: energy metabolism
energy and reducing power
energy carriers
ATP production
Substrate-level phosphorylation
Rxn w.out O2
Cytosol
oxidative phosphorylation
Oxidation w. O2
Mitochondria
photophosphorylation
sunlight
chloroplasts
guanosine triphosphate
reducing power
#
Oxidized
loss of e-
oxidized compound
carry O2
oxidation state
CO2
C=+4
oxidizing agents
NADP+
NAD+
Redox potential
tendency do donate or receive e-
Reduced
gain of e-
reduced compound
contain H
Reducing power
force e- onto compound
reducing agents
NADPH
NADH
other electron carriers
plastoquinones
plastocyanin
cytochromes
Photosynthesis
the light-dependent rxns
Nature of light
Radiation
particles
quanta/quantum
" photons"
set of Waves
pigments
chlorophyll a
absorbs
blue
red
photon
e- activation
ground state
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Raised orbital
antenna complex
Rxn center
fluorescence
releases
e- deactivation
lowered orbital
excited state
ground state
accessory
carotenoids
chlorophyll b
resonance
useful spectrums
electromagnetic spectrum
infrared
gamma
microwaves
X-rays
radio waves
visible light
ultraviolet
action
powering photochemical process
absorption
by a pigment
photosystem I
P700
reduce
Fx
ferredoxin
thylakoid membrane
Ferredoxin-NADP+ reductace
reduces NADP+
NADPH
2 e-
1 e-
Photosystem II
produces NADPH
plastocyanin
donates e-
chloryphyll a, PS 1
receives e- from
cytochrome b6/f complex
quinone
phaeophytin
3 more items...
P680
e- transport chain
Synthesis of ATP
chemiosmotic photophosphorylation
Chloroplasts
thylakoids
2 more items...
stroma
2 more items...
stroma rxns
CO2
Carbohydrates
Calvin/Benson cycle
ribulose-1,5-biphosphate
CO2
3-Phosphoglycerate
PGA
1,3diphosphoglycerate
3-phosphoglyceraldehyde
PGAL
used to build
fats
amino acids
sugars
nucleic acids
converted to
RuBP
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NADPH
reduces
RuBP
acceptor molecule
RuBP carboxylase
"RUBISCO"
enzyme
anabolic metabolism
anabolism
3-phosphoglyceraldehyde
larger molecules
intermediate term
glucose
sucrose
long term
starch
short term storage
NADPH
ATP
cytoplasm
anabolicRxns
synthesis of polysaccharides
C3 Metabolism
3 phosphate glyceraldehyde
dihydroxyacetone phosphate
fructose-1,6-biphosphate
fructose-6- phosphte
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Pi
.
gluconeogenesis
global warming
greenhouse effect
greenhouse gasses
chloroflorocarbons
deplete ozone
3O2
2O3
CO2
global climate change
environmental and internal impacts
leaf structure
absorbs CO2
conserves H2O
water
availability
light
#
quality of sunlight
wavelength
colors
quantity
intensity
brightness
affected by
environmental factors
energy production
durration
global position
season
c4 metabolism
photorespiration
e wasting process
c4 metabolism
c4 photosynthesis
CO2
absorbed
transported
O2
kept from
RuBP carboxylase
PEP carboxylase
high affinity for
CO2
enzyme
produces
oxaloacetate
4 Carbons
Crassulacean acid metabolism
concepts
entropy/disorder
ever increasing
energy supply
Photoautotrophs
gather energy from the sun
#
bacteria
Cyano
oxygenic photosynthesis
Those capable of photosunthesis
Purple/green
bacteriochlorophylls
anoxygenic Photosynthesis
Green planrs
Heterotrophs
consume organic molecules
eukaryotes
completely parasitic plants
animals
fungi
nonphotosynthetic prookaryotes
energy sourse
light uses
example of redox
