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Energy Metabolism: Photosynthesis (Environmental and Internal Factors…
Energy Metabolism: Photosynthesis
Concepts
Cells
Highly ordered & Structured
Carry out processes
Entropy
Disorder
Photoautotrophs
Energy from light
Use to make stuff
Heterotrophs
Take organic molecules
Respire them
All Animals
All parasitic plants
All fungi
Energy and Reducing Power
Energy Carriers
Way Energy is transported
ADP to ATP
Photophosphorylation
Light energy in photosynthesis
In Chloroplast
Substrate-level phosphorylation
All parts
Oxidative Phosphorylation
All Parts
Reducing Power
Oxidized
Losing electron
Carbon +4
Lots of Oxygen
Reduced
Electron Gained
Lots of Hydrogen
Electrons Forced
Into Compounds
Other Electron Carriers
Cytochromes
Small Protiens
Contain Heme
Thylakoid Membrane
Carry electrons
Plastoquinones
Bind Two Protons
Dissolve
Plastocyanin
Metal Atom
Chloroplast Membrane
Phototsynthesis
The Light-Dependent Reactions
Thylakoid Reactions
Nature of Light
Electromagnetic Radiation Spectrum
Photons
Set of Waves
Nature of Pigments
Pigment
Distinctive color
Chlorophyll A
Activated
Ground State
Excited State
Absorption Spectrum
Strongly aborbed
Action Spectrum
Power Photochemical process
Accessory Pigments
Absorb Wavelengths
Antenna Complex
Photosynthetic unit
Granule
Chlorophyll b
Photosystem 1
P700
Ferredoxin
Thylakoid membrane
Photosystem II
Plastocyanin
Copper
P680
Electron Transport Chain
Synthesis of ATP
Grana
Thylakoids
Chemiosmotic Phosphorylation
ATP Synthase
Noncyclic Electron Transport
Electrons flow smoothly
Cylic Electron Transport
Make extra ATP
The Stroma Reactions
Acceptor Molecule
Reacts with CO2
RUBISCO
Large
Complex
Anabolic Metabolism
Anabolism
Anabolic Reations
Synthesis of Polysaccharides
Glucogenesis
Environmental and Internal Factors
Light
Quality
Wavelengths it contains
Quantity
Light intesisty
Duration
Hours of Sunlight
Leaf Structures
Minimize water loss
Photosynthesis reduced
Water
Affects Photosynthesis
Many ways to conserve
C4 Metabolism
Photorespiration
Energy wasting process
RuBP
PEP Carboxylase
Affinity for CO2
Crassulacean Acid Metabolism
Water conservation
Succluents
Not Efficient
Evolved Several TImes