Which of the following is a characteristic of mitochondria that suggests that they might have evolved from free-living bacteria?
A)Mitochondria have cell walls.
B)The plasma membrane of a mitochondrion,forming the surface of this organelle,is the site of many important steps of cellular respiration.
C)Mitochondria have their own DNA.
D)Mitochondria rely upon proteins as their source of energy.

Question

Quizplus · Accepted Answer

The fact that mitochondria have their own DNA suggests that they may have evolved from free-living bacteria, which also have their own DNA. This is a characteristic shared by prokaryotic cells, which are believed to have given rise to mitochondria through endosymbiosis. Choices A, B, and D are not characteristics of bacteria or are not specific to mitochondria's evolutionary history.

Which of the Following Is a Characteristic of Mitochondria That