Term
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Definition
chemoorganotrophs
use organic compounds to produce energy |
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Term
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Definition
| use energy from light or reduced inorganic compounds to fix CO2 |
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Term
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Definition
| extract energy from light |
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Term
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Definition
| chemolithotrophs, extract energy from reduced inorganic compounds (eg H2S) |
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Term
| Energy is released as a result of... |
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Definition
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Term
| Energy is most often stored in ___ bonds |
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Definition
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Term
| Each growing E. coli cell needs to produce ___ ATP/sec |
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Definition
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Term
| In heterotrophic respiration and methane oxidation, what are the electron acceptors? |
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Definition
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Term
| In heterotrophic denitrification, what is the electron acceptor? |
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Definition
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Term
| In iron and maganese reduction, what is the electron acceptor? |
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Definition
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Term
| In sulfate reduction, what is the electron acceptor? |
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Definition
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Term
| In methanogenesis, what is the electron acceptor? |
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Definition
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Term
| In acetogenesis, what is the electron acceptor? |
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Definition
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Term
| In anaerobic fermentation in heterotrophs, what is the electron acceptor? |
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Definition
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Term
| What are the 6 major forms of anaerobic respiration? |
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Definition
Denitrification
Manganese reduction
Iron reduction
Sulfate reduction
Methanogenesis
Acetogenesis |
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Term
| Methanogenesis is carried out be ____, which are strictly anaerobic ____ found deep in ____. |
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Definition
methanogens
Archaea
sediments |
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Term
| Methane produced in methanogenesis can come from... |
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Definition
-CO2 + H2
-Methanol (CH3OH)
-Acetate (CH3OOH) |
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Term
| What is the major energetic difference between methanogenesis and acetogenesis? |
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Definition
| Acetogenesis uses proton or sodium motive force PLUS substrate-level phosphorylation. Methanogenesis just uses proton motive force. |
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Term
| Is methanogenesis or acetogenesis more energetically favorable? |
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Definition
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Term
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Definition
| two microbes team to degrade a substance |
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Term
| In fermentation, organic matter acts as both... |
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Definition
| the electron donor and an internal electron acceptor |
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Term
| What are the two phases of fermentation (both anaerobic)? |
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Definition
Glycolysis
Fermentation pathway |
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Term
| Homolactic pathway used to produce... |
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Definition
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Term
| Heterolactic pathway used to produce... |
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Definition
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Term
| The mixed acid fermentation pathway is characteristic of... |
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Definition
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Term
| The mixed acid fermentation pathways produces... |
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Definition
| three different acids (acetic, lactic, succinic) in various amounts |
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Term
| ____ pathway is a variation of the mixed-acid pathway--used to manufacture some plastics and elastic fibers like Spandex |
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Definition
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Term
| Propionic acid fermentation is used to make... |
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Definition
| swiss cheese (holes come from CO2 released in homolactic fermentation |
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Term
| Butyric acid fermentation is used to make... |
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Definition
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