The final step results in the formation of the active form of vitamin B 1 , thiamine diphosphate, which functions as a major enzymatic cofactor. The biosynthesis of thiamine is regulated through feedback inhibition by the end product of the pathway, that is, thiamine diphosphate. This regulatory...
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A final scenario to consider is whether planet migrations during the early stages of Solar System evolution, as described by the Grand Tack and Nice models, could have resulted in the emplacement of icy outer Solar System objects in the MB (Levison et al. 2009; Walsh et al. 2011). In th...