Which Is Not a Reason That Ribosomal RNA (RRNA)is a Useful

Multiple Choice

Which is not a reason that ribosomal RNA (rRNA) is a useful source of data for studying evolutionary relationships?

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