<prompt> Glutathion synthetase requires -CopperSeleniumMagnesiumIron  <response>: Ans. is c i.e., Magnesium o The two enzymes required for de novo synthesis of glutathione are :-1 Glutamyl cystein synthetase It requires glutamic acid, cysteine, ATP and Mg2: to form g-glutamyl cysteine:Glutathione synthetase It requires glycine, ATP and Mg2 to synthesize glutathione from g-glutamyl cysteine.Remembero Glutathione synthetase requireso Glutathione peroxidase contains- Magnesium- Selenium 