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CH 10 Energy Metabolism: Photosynthesis (Photoautotrophs (Builds own…
CH 10 Energy Metabolism:
Photosynthesis
Energy and Reducing Power
Energy carriers
Plants pigments
ADP
Photophosphorylation
Only occurs in chloroplast
Substrate-level phosphorylation
Occurs in all plant parts
Oxidative phosphorylation
Occurs in all plant parts
Reducing power
Oxidation reaction
Electrons subtracted
Increases positive charge on atom
Contain lots of O
Reduction reaction
Electrons added
Reduces positive charge on atom
Contains lots of H
Force electrons onto compounds
Oxidizing agents
Reducing agents
Redox potential
Other electron carriers
Cytochromes
Plastoquinones
Plastocyanin
Photosynthesis
Light-Dependent Reactions
The Nature of light
Electromagnetic radiation spectrum
Gamma rays
X-rays
UV lights
Infrared lights
Microwaves
Visible light
Radio waves
Quantum
Set of particles
https://www.britannica.com/science/quantum
]
Photons
Set of waves
https://www.universetoday.com/74027/what-are-photons/
)
Stroma Reactions
Calvin/Benson Cycle
Take place in stroma
Mediated by enzymes
Anabolic Metabolism
Anabolism
Anabolic reactions
Polysaccharides
Fats
Environmental & Internal Factors
Leaf Structure
Temperate/Tropical plants
Palisade parenchyma
Spongy mesophyll
C4 Metabolism
Photorespiration
PEP Carboxylase
Energy wasting process
Crassulacean Acid Metabolism
PEP is carboxylated
Forms oxaloacetate
Maleate/ other acids
Light
Quality
Color of wavelengths
Quantity
Light intensity/brightness
Duration
Hrs/day sunlight is available
Photoautotrophs
Makes food w/ Sunlight
Include all green plants
All Cyanobacteria
Other few bacteria
Builds own molecules
Carbon dioxide
Water
Various nitrates
Sulfates
Other minerals