Podcast
Questions and Answers
What is the primary energy conservation method in fermentations?
What is the primary energy conservation method in fermentations?
- Glycolysis
- Oxidative phosphorylation
- Electron transport chain
- Substrate-level phosphorylation (correct)
What is the defining characteristic of fermentations?
What is the defining characteristic of fermentations?
- Production of ATP through oxidative phosphorylation
- Presence of external electron acceptor
- Lack of external electron acceptor (correct)
- Use of oxygen as the final electron acceptor
How do fermentative organisms achieve redox balance?
How do fermentative organisms achieve redox balance?
- By excreting fermentation products (correct)
- By donating electrons to external electron acceptors
- By utilizing oxidative phosphorylation
- By producing ATP through glycolysis
What type of compounds allow for ATP production through substrate-level phosphorylation during fermentation?
What type of compounds allow for ATP production through substrate-level phosphorylation during fermentation?
What is common in fermentations that provides the opportunity for substrate-level phosphorylation?
What is common in fermentations that provides the opportunity for substrate-level phosphorylation?
How is redox balance achieved in fermentations?
How is redox balance achieved in fermentations?
What is the major challenge in energy conservation for fermentative organisms?
What is the major challenge in energy conservation for fermentative organisms?
What allows microbes to make ATP in fermentations?
What allows microbes to make ATP in fermentations?
What is the end-product of the oxygenase reaction on aliphatic hydrocarbons?
What is the end-product of the oxygenase reaction on aliphatic hydrocarbons?
Which type of oxygenases incorporate both oxygen atoms into the compound?
Which type of oxygenases incorporate both oxygen atoms into the compound?
What is the initial incorporation site of the oxygen atom in aliphatic hydrocarbon oxygenation?
What is the initial incorporation site of the oxygen atom in aliphatic hydrocarbon oxygenation?
What is the role of methanogens in the syntrophic transfer of H2?
What is the role of methanogens in the syntrophic transfer of H2?
What is the end-product of the degradation of catechol and related aromatics?
What is the end-product of the degradation of catechol and related aromatics?
What is the main energy carrier used by oxygenases in aliphatic hydrocarbon oxygenation?
What is the main energy carrier used by oxygenases in aliphatic hydrocarbon oxygenation?
What is the fate of the fatty acid produced through beta-oxidation?
What is the fate of the fatty acid produced through beta-oxidation?
What is the primary reason for the inability of the syntroph (Pelotomaculum) to grow in pure culture?
What is the primary reason for the inability of the syntroph (Pelotomaculum) to grow in pure culture?
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