Cau 9: So sanh noi doc to va ngoai doc to

*Dinh nghia

-Noi doc to la chat doc gan lien voi ctruc cua vach tbao vk. chi co o Gr(-), chi dc jai fong khi tbao bi fa vo

-Ngoai doc to: la chat doc dc vk tiet ra moi truong khi con song, co ca o vk Gr(+) va (-)

*Ban chat hoa hoc

-Noi doc to: fuc hop glucid, protid, lipid (hon hop lipopolysaccharid)

-ngoai doc to: glycoprotein

*Tinh doc: noi : yeu ; ngoai : manh

*Tinh khang nguyen: noi: yeu ; ngoai: manh

*Tinh chiu nhiet: noi: chiu dc nhiet; ngoai: k chiu dc nhiet

*Ung dung: noi doc to k dc su dung lam thuoc khang sinh; ngoai doc to dc su dung lam thuoc khang sinh