A.經(jīng)過免疫的B淋巴細(xì)胞 B.經(jīng)過免疫的T淋巴細(xì)胞 C.未經(jīng)過免疫的B淋巴細(xì)胞 D.未經(jīng)過免疫的T淋巴細(xì)胞 E.以上均不對
A.室溫 B.-4℃ C.-20℃ D.-70℃ E.-196℃
A.次黃嘌嶺、氨基蝶呤、胸腺嘧啶核苷 B.黃嘌呤、氨基蝶呤、胸腺嘧啶核苷 C.氨基嘌嶺、氨基蝶呤、胸腺嘧啶核苷 D.腺嘌呤、氨基蝶呤、胸腺嘧啶核苷 E.鳥嘌呤、氨基蝶呤、胸腺嘧啶核苷