What Is Unique About the Structure of the Subgenomic RNAs

question 6

Multiple Choice

What is unique about the structure of the subgenomic RNAs produced by the coronaviruses?

• A) They each have their own IRES sequence.
• B) They have a protein covalently attached to the 5' end.
• C) They are synthesized from a full-length negative strand copy of the genome.
• D) The first 60 to 100 nucleotides at the 5' end is the same.
• E) They have a tRNA structure at their 3' end.