Polyamine like putrescine is derived from:
Correct Answer: Ornithine
Description: Ans. (b) Ornithine* Polyamines like spermine, spermidine and putrescine metabolite are produced from L-ornithine by action of ODC (ornithine decarboxylase).* S-Adenosylmethionine, the methyl group donor for many biosynthetic processes, also participates directly in spermine and spermidine biosynthesis.
Category:
Biochemistry
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