参与细胞内信息传递的第二信使物质是
A.cAMP
B.钙离子
C.IP3
D.DAG
E.ATP
参考答案:E
---Bob’s the branches from the tree. Go and for firewood. Bill!
---Do you think I’m really for his kind of work?
A.cut away; cut it up; cut through
B.cut off; cut it down; cut out
C.cut away; cut it up; cut out
D.cut off; cut it down; cut out
项目正式启动的标志不包括()。
A.任命项目经理,开始组建项目团队
B.颁发项目章程
C.确定项目目标
D.确定项目风险