关于信息传递,你认为哪种说法是错误的( )
A:亲子代细胞间遗传信息的传递是通过DNA复制来实现的
B:细胞间的信息传递不一定经细胞膜上的蛋白质分子完成
C:信息传递存在于生物与生物之间,还存在于生物与无机环境之间
D:人体一个细胞内遗传信息的传递只能从DNA传到RNA
函数y=Asin(ωx+φ)+k(A>0,ω>0,|φ|<π2,x∈R)的部分图象如图所示,则该函数表达式为( )
对下列句子的理解,不恰当的一项是( )。
如图是植物细胞亚显微结构模式图,请回答:
Lucy and Tim have a very nice trip to Hangzhou. They arrive in Hangzhou at 3:00 in the afternoon. They see many people at the train station. Some women are sitting and talking. Some men are walking. They go to the West Lake(西湖). They take many pictures. They also go shopping. They buy many gifts for their friends.
根据短文内容,回答问题。