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*High energy molecule
- *“Energy currency” of the cell
- *“Spent” to fuel many cellular processes
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Autotroph
*“Self-feeders”
*Produce organic molecules from CO2
*Ultimate source of organic compounds
*“Producers”
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*CO2 is reduced to form sugars
- **ATP and NADPH used to drive this process
- **Dependent upon the products of the light reactions
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CHEMIOSMOSIS
The light reactions capture energy through electron transport chains
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Chemoheterotrophs
- organism that obtains its nourishment from organic, as opposed to inorganic, substances and does not require light energy for its metabolism.
- (All animals, fungi, and many bacteria are chemoheterotrophic.)
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Chlorophyll
A pigment that is embedded in the thylakoid membranes of chloroplasts of all eukaryotes
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Chloroplast
sites of photosynthesis in eukaryotes
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Cyclic electron flow
A route of electron flow during light reactions of photosynthesis involving photosystem I =producing ATP but not NADPH or oxygen
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