Why is Rubisco enzyme the most abundant enzyme in the world?
Rubisco catalyses the first step during the Calvin cycle to transform carbon dioxide into sugar. In all photosynthetic organisms worldwide, this enzyme is present. From cyanobacteria to the floors of large trees; literally, Rubisco is present all over the place.
All carbon in the biosphere can be said to be derived from Rubisco carbon fixation. This is therefore the world's largest enzyme.
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