Critically ill individuals: Nitrous oxide inactivates methionine synthase by means of oxidation with the cobalt in vitamin B12 and could produce megaloblastic anemia. This enzyme is important for vitamin B12 and folate metabolism and performs a job in DNA and RNA synthesis and the synthesis of other substances. Represented by https://andresywtne.mysticwiki.com/1748435/fast_gas_no_further_a_mystery