Question

how ER are developed in rapidly dividing cells are and why​

Answer 1

Answer:

er divides cells because of its thick cytoplasm so it divides rapidly

Answer 2

Answer:

The foreign ER was observed as large, reconstituted cisternae at stages in the cell cycle when the nuclear envelope was intact. Therefore, transplanted ER maintained the capacity to reconstitute in the cytoplasm of a rapidly dividing cell.