: Sulfur is essential in the biosynthesis of metabolic cofactors like NAD+ . For example, Quinolinate synthetase (NadA) is an iron–sulfur enzyme critical to these biological pathways.
: In prebiotic chemistry, sulfur biomolecules like cysteine , taurine , and methionine can be produced through atmospheric organic haze chemistry independent of biological life . Naden - Sulfur
While the model primarily targets carbon, sulfur plays a critical role in these same environmental systems: : Sulfur is essential in the biosynthesis of
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