The writer uses the example of the fate of heroines in l9th century operas to show that
A.science provides mediical solutions
B.tuberculosis will be a curable disease
C.science influences literary development
D.the genetic code helped cure tuberculosis
遗传决定系数(coefficient of genetic determination)
A.在mRNA信息区,由5'-3'端每相邻的三个核苷酸组成的三联体称为遗传密码
B.在mRNA信息区,由3'-5'端每相邻的三个核苷酸组成的三联体称为遗传密码
C.生物体细胞内存在64个遗传密码
D.起始密码是AUG遗传密码
E.终止密码为UAA、UAG和UGA