Spermidine ni ubwoko bwa polyamine. Polyamine ni ntoya, ibinure, polycationic (-NH3 +) biomolecules. Hariho inyamanswa enye nyamukuru mu nyamaswa z’inyamabere: intanga, spermidine, putrescine na cadaverine. Intanga ni iya tetramine, spermidine ni iya triamines, putresc ...
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