The mevalonate (MVA) pathway is distributed in all three domains of lifetime; archaea, microbes and eukaryotes. The MVA pathway is universally distributed in archaea and non-photosynthetic eukaryotes, though the pathway is sparse in micro organism. In photosynthetic eukaryotes, some species have the MVA pathway, while others provide the MEP pathway https://martinityac.jaiblogs.com/59920483/the-basic-principles-of-medical-marijuana