QUESTION: Which of the following is not RNA virus?
A Avian leukemia virus
B Bacteriophage MS-2
C Adenoviruses
D Influenza virus
ANSWER: Adenoviruses
| Characteristic | DNA Viruses | RNA Viruses |
| Genetic Material | Double-stranded or Single-stranded DNA | Single-stranded RNA |
| Genome Arrangement | Linear or Circular | Usually Linear |
| Replication Site | Nucleus (for most) | Cytoplasm |
| Replication Enzyme | DNA polymerase | RNA-dependent RNA polymerase |
| Transcription | Host RNA polymerase | Viral RNA polymerase |
| mRNA Cap | Often capped | Not capped |
| Reverse Transcription | Not applicable | Utilized by some retroviruses |
| Examples | · Herpesviruses · Adenoviruses · Papillomaviruses | · Influenza virus · HIV · Measles virus · Avian Leukemia Virus · Bacteriophage MS-2 |
| Disease Examples | · Cold sores · Genital warts · Chickenpox | · Influenza · AIDS · Measles · Avian Leukosis · Bacteriophage infection |
| Vaccines Available | Yes, for some DNA viruses | Yes, for some RNA viruses |