Deduce why viruses are excluded from the ribosomal RNA-based tree of life.
A) Some viruses contain multiple strands of RNA.
B) Their genetic elements cannot be sequenced.
C) They can infect other organisms, which complicates the genetic comparisons.
D) They lack ribosomal RNA.

Question

Quizplus · Accepted Answer

Viruses lack ribosomal RNA, which is the basis for constructing the ribosomal RNA-based tree of life. As a result, they are excluded from this classification system.

Deduce Why Viruses Are Excluded from the Ribosomal RNA-Based Tree