Which of the following statements regarding the suitability of ribosomal RNA (rRNA) nucleotide sequences for phylogenetic analysis of prokaryotes is false?
A) It is suitable because rRNA is present in all free-living organisms.
B) It is suitable because rRNA performs the same function in all organisms.
C) It is suitable because rRNA has evolved relatively slowly.
D) It is suitable because rRNA is relatively recent on the evolutionary time scale.
E) It is suitable because rRNA is ancient on the evolutionary time scale.
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