The hypothesis that mitochondria and chloroplasts originated from the phagocytic activity of prokaryotes that was not followed by digestion is called the ____.
A) theory of natural selection
B) endosymbiotic hypothesis
C) ribozymes-first hypothesis
D) Oparin-Haldane hypothesis
E) stromatolite hypothesis

Question

Quizplus · Accepted Answer

The endosymbiotic hypothesis suggests that mitochondria and chloroplasts were once free-living prokaryotes that were engulfed by a host cell. Instead of being digested, these prokaryotes formed a symbiotic relationship with the host cell, eventually evolving into the organelles we see today.

The Hypothesis That Mitochondria and Chloroplasts Originated from the Phagocytic