关于细胞凋亡，描述不正确的是（）

A.凋亡时溶酶体相对完整

B.无基因调控

C.与维持内环境稳定相关

D.参与体内细胞数量的调节

E.与肿瘤的发生相关

Why is it important to have a project charter ？（）

A．It is the collection of all subsidiary project documents.

B．The project charter is the necessary basis for all work packages to be performed.

C．It formally authorizes the project.

D．It tracks the progress of the project.