Which of the following is NOT an organelle that is thought to be the result of endosymbiosis?
A) mitochondrion
B) chloroplast
C) apicoplast
D) endoplasmic reticulum

Question

Quizplus · Accepted Answer

The endoplasmic reticulum is not thought to be the result of endosymbiosis. It is a membrane-bound organelle involved in protein synthesis and lipid metabolism, but its origin is not from engulfment of another prokaryotic cell. Mitochondria, chloroplasts, and apicoplasts are all thought to have arisen from endosymbiosis.

Which of the Following Is NOT an Organelle That Is