28. If the mitochondria and chloroplasts in eukaryotic cells resulted from endosymbiosis, what features might we expect these
organelles to contain?
(A)nucleus, DNA, and ribosomes
(B)plasma membrane, DNA, and ribosomes
(C)plasma membrane, nucleus, and ribosomes
(D) plasma membrane, nucleus, and flagella
(E)nucleus, ribosomes, and flagella