Which one of these facts about mitochondria and chloroplasts constitutes support for the endosymbiotic theory?

a. their dna resembles bacterial rna.
b. their ribosomes resemble the ribosomes of bacteria.
c. they reproduce by mitosis.
d. they are organelles that are found within plant cells.

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.