Sulphur of cysteine are not used/utilised in the body for the following process/product:
Ans. C. Introduction of sulphur in methionine.Methionine is an essential amino acid, so it cannot be synthesized from Cysteine.But Sulphur of cysteine is donated by sulphur of methionine.This is called transulfuration reaction.PLP is the coenzyme of transulfuration.The reaction is catalysed by Cystathionine beta Synthase and Cystathionase enzyme.
Help in the conversion of cyanide to thiocyanate
Thiosulphate formation
Introduction of sulphur in methionine
Disulphide bond formation between two adjacent peptide
Proteins and Amino Acids