()是保藏细胞(病毒)株最常采用的方法。
A.真空冷冻干燥
B.-20℃冻存
C.-80℃冻存
D.液氮超低温冻存
参考答案:D
I’ve worked with child before, so I know what ________ in my new job.
A.expected
B.to expect
C.expecting
D.expect
细胞体积增大,可称为()
A.化生
B.增生
C.水肿
D.肥大
E.充血