[问答题]
The image below shows a virus 664/5ah sfa vd5xfrsvwhich reproduces using the lytic or lysogenic cyc4 wu9b .+*d coi:2bir)fdv hnll)bwd* .+ndf9oii rch4v2: blu e.
1.State two structural features common to all viruses.
2.1.Identify the name of this virus.
2.2.Label the capsid on the image.
3.Compare and contrast the lytic and lysogenic cycles.