A:蔗糖溶液使洋葱表皮细胞发生质壁分离
B:抗原刺激引发记忆细胞增殖分化
C:胰岛素调节靶细胞对葡萄糖的摄取
D:传出神经细胞兴奋引起肌肉收缩
三个数0.76,60.7,log0.76的大小关系为( )
– What's the matter with Tommy? – He is ____________.– Oh, you can tell him to share worries with his friends and ____________.