Magana: Kwayoyin cutar da ke haɗuwa da antigens na farfajiyar (alal misali, akan kwayoyin cuta) za su jawo hankalin kashi na farko na cascade na kari tare da yankin Fc ɗin su kuma fara kunna tsarin "classic" na kari. Wannan yana haifar da kashe kwayoyin cuta ta hanyoyi biyu. Na farko, haɗuwa da kwayoyin cutar da kwayoyin kari suna nuna alamar microbe don cinyewa ta hanyar phagocytes a cikin wani tsari da ake kira opsonization; wadannan phagocytes suna janyo hankalin wasu kwayoyin kari da aka samar a cikin cascade na kari. Na biyu, wasu abubuwan haɗin tsarin kari suna samar da hadaddun membrane don taimakawa kwayoyin cutar don kashe kwayar cutar kai tsaye (bacteriolysis). Tambaya: Menene bacteriolysis?
bangarori samar da wani membrane kai hari hadaddun don taimaka antibodies kashe kwayoyin kai tsaye