Gaseous carbon dioxide enters the biosphere almost exclusively via the active site of the enzyme ribulose 1. 5-bisphosphate carboxylase/oxygenase (Rubisco). This highly conserved catalyst has an almost universal propensity to non-productively interact with its substrate ribulose 1. 5-bisphosphate. https://fitnessgravesyardes.shop/product-category/top-cap-shroud-assembly/