Answer:
It is the capsid
if you compare a virus to a bacteria, it has RNA just like bacteria but it doesn't have a cell wall or a flagella.
Fraction-1/4
Percentage-25%
Because In a punnet square there are 4 squares and in a 3:1 ratio it would mean one of the squares is affected by the genetic trait so it would be 1/4. And 1/4 is 25%.
The appropriate response is bronchiolitis. Bronchiolitis is a typical ailment of the respiratory tract. It's caused by a contamination that influences the modest aviation routes, called the bronchioles, that prompt the lungs. As these aviation routes wind up noticeably kindled, they swell and load with bodily fluid, which can make breathing troublesome.