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Results tagged with metabolism
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user 1800
Metabolism is the set of defined biochemical transformations occurring within the cells of living organisms.
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Regulation of Cra protein level in E coli
Catabolite Activator/Repressor, Cra protein (formerly known as Fructure Repressor FruR) plays a significant role in central carbon metabolism of E coli. … I found enough literature on how Cra plays a regulatory role in metabolism. …
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Anaerobic respiration choice in E. coli
Under anaerobic conditions E. coli has two options to generate ATP: fermentation (substrate-level phosphorylation), and respiration (proton gradient, chemisomotic phosphorylation). Which is favored? W …
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What is the mechanism of oxygen uptake in E. coli?
Are there bacteria which cannot consume oxygen for metabolism, but when exposed to oxygen they don't die, rather simply discard the oxygen and carry out fermentation? … In a sense, they are strict anaerobe (their mode of metabolism is anaerobic), but they can still survive in presence of oxygen in environment. …
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Tracking of oxygen molecules in glucose oxidation
I am interested in this question because the central metabolism can be understood as a electron transfer process where glucose is donor and oxygen is acceptor. …
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Need for two oxygen sensors in E. coli
E. coli has two oxygen sensors: FNR (fumarate-nitrate reductase) and ArcBA (Anoxic Redox Control, two component control systems). FNR directly senses the oxygen, while the interaction of ArcB with oxy …
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Consumption of NAD+ in glycolysis
Out of 10 steps in glycolysis, only one reaction- Glyceraldehyde 3-phosphate (G3P) to 1,3-bisphosphoglycerate (PGP), uses NAD+ and thereby producing NADH. Furthermore, this very step is solely respons …
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