上帝充通大学 Shanghai Jiao Tong University Questionnaire before the class 1.Did you learn“Exon"”and“Intron”before? 1)Yes;2)Not sure;3)No 2.Did you learn "Inverted repeat"and "Hairpin"before? 1)Yes;2)Not sure;3)No 3.Did you learn "supercoiling"before? 1)Yes;2)Not sure;3)No No.3 Chen Feng.Shanghai Jiao Tong UniversityNo. 3 Chen Feng, Shanghai Jiao Tong University Questionnaire before the class 1. Did you learn “Exon” and “Intron” before? 1) Yes; 2) Not sure; 3)No 2. Did you learn “Inverted repeat” and “Hairpin” before? 1) Yes; 2) Not sure; 3)No 3. Did you learn “supercoiling” before? 1) Yes; 2) Not sure; 3)No