想知e1個題A至B溶質濃度一樣點explain
Mc岩得22題
有無可能4
有無人有2017 bio paper 1B
有無人記得why protection level of JE suddenly rise in paper 1B 個題幾分 同應該點答
有無人記得why protection level of JE suddenly rise in paper 1B 個題幾分 同應該點答
好似四分
first injection
memory cells are produced
second injection
memory cell recognize the antigen
secondary immune response
large amount of Plasma cells are produced in short time to produce antibodies .
Also large amount of killer T cells are produced to kill the pathogens directly.
唔太記得,大約係咁
有冇人知今年cut off點
2017 5**cut-off高過比人話係最淺嘅2015年
2015 408/500 5**
2017 410/500 5*