A:该酶一定不是胃蛋白酶
B:可以说明酶具有专一性
C:可以说明酶具有高效性
D:该酶的最适温度在30℃左右
下图所示的实验操作中正确的是( )
如图所示,已知AO⊥BC于O,那么∠1与∠2____.
阅读,判断句子正(T)误(F)。
Dalong is ten. He likes swimming. This is his father, He likes basketball. This is his mother. She likes table tennis and skiping. This is his sister, Lanlan, She likes skipping and swimming. She doesn't like football.
若按照小强设计的电路图进行实验,实验室里有最大阻值是10Ω和60Ω的滑动变阻器,你认为应该选择最大阻值为____Ω的滑动变阻器.