Scientists believe that mitochondria may have evolved from ancient bacteria because ____.
A) both are surrounded by a cell wall
B) both have their own DNA and ribosomes
C) the shapes and size of both are exactly the same
D) both have cristae to increase surface area
E) both have five chromosomes

Question

Quizplus · Accepted Answer

Mitochondria and certain bacteria both have their own DNA and ribosomes, which supports the endosymbiotic theory that mitochondria may have originated from ancient bacteria that entered into a symbiotic relationship with early eukaryotic cells.

Scientists Believe That Mitochondria May Have Evolved from Ancient Bacteria