Which of the Following Pairs of Domains are MOST Closely

Question

Which of the following pairs of domains are MOST closely related?
A) Bacteria and Archaea
B) Bacteria and Eukarya
C) Archaea and Eukarya
D) Domains Bacteria, Archaea, and Eukarya are equally related.

Accepted Answer

Archaea and Eukarya are more closely related to each other than either is to Bacteria, based on genetic evidence and the structure of cellular machinery.