Aminolevulinic acid, the first product in porphyrin biosynthesis in eukaryotes, is synthesized from ____ and succinyl-CoA.

Q. Aminolevulinic acid, the first product in porphyrin biosynthesis in eukaryotes, is synthesized from ____ and succinyl-CoA.

A.            Valine

B.            Tryptophan

C.            Methionine

D.            Glycine

Answer: Glycine