【多选题】B1细胞主要特性和抗体应答特点是[2分]
B.
接受抗原刺激之后,48小时之内即可产生以IgM为主的抗体
【单选题】B细胞接受T1抗原刺激后,产生的抗体主要是( )
【判断题】The equilibrium constant (Keq) is fixed and characteristic for any given chemical reaction at a specified temperature. It defines the composition of the final equilibrium mixture, regardless of the st...
【简答题】大肠与小肠交接处是A.阑门 B.贲门 C.魄门 D.幽门 E.吸门 小肠与胃交接处是A.阑门 B.贲门 C.魄门 D.幽门 E.吸门 会厌是A.阑门 B.贲门 C.魄门 D.幽门 E.吸门
【简答题】构建Struts2应用的最基础的5个类库是_、_、_、_、_。
【单选题】Kate asked the girl to ________ so that she could hear what her husband said on the phone.
【单选题】If the equilibrium constant Keq for the reaction ATP → ADP + Pi is 2.22 × M, calculate the standard free-energy change, ΔG°, for the synthesis of ATP from ADP and Pi at 37°C