Photosynthesis and Respiration Energy Transformation Within Cells
Energy Transactions
ATP and energy storage
ATP provides energy for coupled reactions
Electron carriers (like NAD) provide reducing (bond-making) power (a high energy electron to share in a bond) for coupled reactions
Photosynthesis
An overview of photosynthesis The H is sharing a high energy electron that will be used to make a bond. The electron was captured and energized in the light reactions. The electron will be used to glue the carbons together from CO 2 to make new carbon chains: sugar.
An Overview of Photosynthesis
ATP and high energy bonds
Leaf organization - large scale
Leaf organization - subcellular
Plant Cell
Chloroplast
Inside a Chloroplast
The Light Reactions
Chlorophyll
Antenna Complexes
Chlorophylls are in membranes
Electromagnetic Spectrum
Absorbtion spectrum of Chlorophyll
The Z-scheme (the light reactions)
Some ATP is made by chemiosmosis Z-scheme
Chemiosmosis
Some ATP is made by chemiosmosis
The Dark Reactions
Calvin Cycle (the dark reactions)
Summary
Respiration
an overview of metabolism
Photosynthesis and Respiration
Structures requiring lots of energy are mitochondria rich
Respiration
Glycolysis: Glucose activation and energy harvest
Glycolysis
Fermentation
Lactate Fermentation
Alcohol Fermentation
Krebs Cycle and Chemiosmosis occurs in Mitochondria, cont.
Krebs Cycle
Essential reactions in the matrix
Chemiosmosis
Chemiosmosis in Mitochondria
Oxygen removes spent electrons
Summary of Respiration