(Answered):Extra Credit In Microbiology . . . .

Question Description

1/How could the small size of viruses have helped researchers detect viruses before the invention of the electron microscope?

2/How can an RNA virus cause cancer if it doesn’t

have DNA to insert into a cell’s genome?

3/Why are continuous cell lines of more practical use

than primary cell lines for culturing viruses?

Expert Answer 

1/How could the small size of viruses have helped researchers detect viruses before the invention of the electron microscope?2/How can an RNA virus cause cancer if it doesn’thave DNA to insert into a cell’s genome?3/Why are continuous cell lines of more practical usethan primary cell