Which of the Following Is Not a Reason That Ribosomal

Which of the following is not a reason that ribosomal RNA is useful for studying the evolutionary relationships among living organisms?

A) Ribosomal RNA undergoes a high degree of lateral transfer.
B) No free-living organism lacks ribosomal RNA.
C) Ribosomal RNA plays a critical role in the translation process in all organisms.
D) Ribosomal RNA evolves slowly, so it can be analyzed across a wide range of organisms.
E) Ribosomal RNA is evolutionarily ancient and was present in the common ancestor of all life forms.