Zvinhu zviri mu plasma yembeu zvinoedza kuenzanisa mamiriro ezvinhu aya asina kunaka. Amine dzakakosha dzakadai se putrescine, spermine, spermidine uye cadaverine ndidzo dzinoita kuti urume huwedzere kunhuwirira uye hwakanaka. Aya mabhesi ane acid anopesana uye anodzivirira nharaunda ine acid yemukadzi, uye anodzivirira DNA iri mukati me sperm kubva kuacid denaturation. Mubvunzo: Chii chinotakura chigadzirwa chemwana chinodzivirirwa?
DNA