AB+DF+CD+BC
=AB+BC+CD+ DF
=AF.
故答案为:AF.
—Is that an orange?
—____. It's an apple.[ ]
A. Yes
B. No
C. It is
D. It isn't
能识别高密度脂蛋白受体的载脂蛋白是
A.ApoAⅠB.ApoBC.ApoCⅡD.ApoDE.Apo(a)