The sequencing of rRNA allowed scientists a clear understanding
A) of the unambiguous relationships among different prokaryotic species.
B) that certain nucleic acid sequences are unique to archaea and eukaryotes.
C) that archaea are more similar to bacteria than to eukaryotes.
D) that all DNA is relatively the same across domains.
E) that half of the sequences of archaea were previously unknown.

Question

Quizplus · Accepted Answer

The sequencing of rRNA allowed scientists to identify unique nucleic acid sequences in archaea and eukaryotes, providing evidence for their separate domain of life. This supports choice B, which states that scientists learned that certain nucleic acid sequences are unique to archaea and eukaryotes.

The Sequencing of RRNA Allowed Scientists a Clear Understanding