Question

How do most animal viruses differ from bacteriophages?

a) Mode of transmission
b) Replication strategy
c) Host specificity
d) Viral structure

Answer 1

Animal viruses differ from bacteriophages in mode of transmission, replication strategy, host specificity, and viral structure.

Step-by-step explanation:

Most animal viruses differ from bacteriophages in various ways:

1. Mode of transmission: Animal viruses typically enter host cells through endocytosis or membrane fusion, while bacteriophages inject their genetic material into bacteria through their tail fibers.
2. Replication strategy: Animal viruses follow similar infection stages as bacteriophages but differ in the mechanisms of penetration, nucleic-acid biosynthesis, and release.
3. Host specificity: Animal viruses are usually host specific and only infect certain types of hosts or cells, whereas bacteriophages can infect a broad range of bacterial species.
4. Viral structure: Although both animal viruses and bacteriophages have a protein capsid, animal viruses often have an additional viral envelope.