Putrescene - a polyamine is formed by decarboxylation of:
Ans: B (Ornithine)Ref: Harper's Illustrated Biochemistry,28th editionExplanation:Polyamines include putrescine, spermidine, spermine.Ornithine is a major precursor for synthesis of polyamines.Conversion of ornithine to putrescine is catalyzed by Ornithine Decarboxylase. (See figure)
Arginine
Ornithine
Citrulline
Adenine
Amino Acid Metabolism