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Energy Metabolism: Photosynthesis (Environmental and Internal Factors…
Energy Metabolism: Photosynthesis
Energy and Reducing Power
Reducing Powers
Reduced
gaining electrons
Oxidized
losing electrons
Other Electron Carriers
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Plastoquinones
transport electrons over short distances within membrane
Plastocyanin
Small protein carries electrons on mental atom
Cytochromes
Small proteins that contain a cofactor
which holds an iron atom
Cofactor also known as Heme
Energy Carriers
Substrate-level phosphorylation
Reactions without oxygen in the mitochondria
Oxidative Phosphorylation
Oxidation with oxygen in the mitochondria
Photophosphorylation
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Involves light energy in photosynthesis
Concepts
Photoautotrophs
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Organisms that gather energy directly from light.
assimilate smaller inorganic molecules into own tissues
Heterotrophs
Organisms that take in organic molecules
Include all animals
and respire them
obtaining the energy available in the
Entropy
universe constantly becoming less orderly, its disorder is entropy
After death entropy increases due to decay
The sun helps decrease entropy
Environmental and Internal Factors
Water
Amount of water retained at night
Metabolic adaptations
C4 Metabolism
CAM
Amount of water available
Amount of carbon dioxide produced
C4 Metabolism
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Photorespiration
Photosynthesis
Amount of water lost and carbon dioxide absorbed
PEP Carboxylase
Leaf Structure
Cylindrical Leaves
Palisade parenchyma above
Spongy Mesophyll below
Light
Quality of Sunlight
Quantity of Sunlight
Duration of Sunlight
Light compensation point
Crassulacean Acid Metabolism
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Allows gas exchange to occur at night
Conserves water and permits photosynthesis
Photosynthesis
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The Stroma Reactions
ATP and NADH interact with carbon dioxide to produce carbons
Calvin/Benson Cycle
Anabolic Metabolism
Synthesis of Polysaccharides
Anabolic Reactions
The Light-dependent Reactions
The nature of pigments
The nature of light
Photophosphorylation is in the Calvin/Benson Cycle
Photosynthesis in Environmental and internal factors is the same as the process of photosynthesis
Water is in the CAM cycle
Water is in Electron carriers
Water is in C4 Metabolism
Photoautotrophs are apart of photophosphorylation
