<prompt> Gastric enzyme which is present in the stomach of infants but absent from stomach of adultsPepsinRenninTrypsinLipase  <response>: B Rennin Rennin, also called Chymosin, is present in the stomach of infants and children. It is involved in curdling of milk. It converts casein to calcium paracaseinate which is digested by pepsinIt is absent in adults. 