PROTEINASE K ASSAY FOR DUMMIES

Initially time I sucked cock, I was sixteen and my mate explained to me he was likely to blow, so I ended sucking and he blew more than his abdomen. I wished to style his cum so I licked it off him.The title “proteinase K” comes from its capability to digest keratin, a troublesome structural protein located in hair, nails, feathers, etcetera. T