1. Analysis test for Nucleic acid revealed that bacteriophage XY - 1 was a 6000 bp, single - stranded RNA bacteriophage.

2. Antisense RNA single-stranded RNA which can hybridize to complementary bases in a target NUCLEIC ACID molecule and inhibit its function

3. Canine coronavirus (CCoV) is an enveloped, positive-sense, single-stranded RNA virus which is a member of the species Alphacoronavirus 1

4. The positive-sense, single-stranded RNA is around 11,000 nucleotides long and has a single open reading frame encoding a polyprotein.