Organelles like the endoplasmic reticulum most likely arose by a process most closely related to
A) endosymbiosis.
B) endocytosis.
C) exocytosis.
D) cell fractionation.
E) binary fission.

Question

Quizplus · Accepted Answer

The endoplasmic reticulum likely arose through the invagination of the plasma membrane, a process related to endocytosis, rather than through endosymbiosis, which is associated with organelles like mitochondria and chloroplasts.

Organelles Like the Endoplasmic Reticulum Most Likely Arose by a Process