下列物质哪种是糖代谢各途径的分支点
A. G-1-P
B. G-6-P
C. 丙酮酸
D. 乙酰CoA
E. F-6-P
艾滋病病毒(HIV)主要侵犯
A. T4淋巴细胞
B. 巨噬细胞
C. 星形细胞
D. 树突状细胞
E. 以上均是
What does Nera do for the preparation for becoming a secretary or a nurse
A. She is working in a nursery.
B. She is moving into her own apartment.
C. She is studying in a high school.
D. She is asking help from the father.
Ig的独特型抗原决定簇存在
A. VH/CH
B. VL/CH
C. VL/CL
D. VH/CH
E. VH/VL