What kind of pattern do you notice with the structure of dna?

The most obvious pattern is that A binds with T and C with G, as is the case with DNA.

Not sure what you mean by this question

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.