Analysis of the Small Subunit RRNAs from All Organisms in the Three

Multiple Choice

Analysis of the small subunit rRNAs from all organisms in the three current domains suggests that

A) the eukaryotes arose from prokaryotes.
B) the Archaea are more closely related to eukaryotes than prokaryotes.
C) all modern and extinct organisms on earth arose from a common ancestor.
D) the prokarytoes,Archaea,and eukaryotes are not related. Refer to "Systems of Presenting a Universal Tree of Life" for a discussion of the ssu rRNAs and their role in taxonomy.