5. 基因克隆和基因表达——小测验
Opened: Thursday, 15 April 2021, 8:00 AM
Closed: Tuesday, 15 June 2021, 8:05 PM
本次测验共20个选择题，每题五分。请大家在自主学习之后开始进行小测验，测验时长总共20分钟。
Time limit: 20 mins
Grading method: Highest grade