Which of following provides evidence for the endosymbiotic theory describing the origin of mitochondria & chloroplasts?
A) These organelles have their own nuclei.
B) These organelles have their own endoplasmic reticulum.
C) These organelles have their own lysosomes.
D) These organelles have their own DNA.

Question

Quizplus · Accepted Answer

Mitochondria and chloroplasts contain their own DNA, which is circular and similar to bacterial DNA. This supports the endosymbiotic theory, suggesting these organelles were once independent prokaryotic organisms that were engulfed by ancestral eukaryotic cells.

Which of Following Provides Evidence for the Endosymbiotic Theory Describing