Which identifies and explains the primary function of the underlined words?

that boy in the fourth row is bella's cousin.
a) a dependent clause that modifies bella
b) a prepositional phrase telling which boy
c) a noun phrase telling where to find the boy
d) an independent clause that modifies that boy
in the fourth row is underlined.

alright no problem, cool

answer: b (host)

viruses use the cells of living organisms to reproduce. the cell which is used by virus is called as "host cell". it is a living cell in which virus multiplies, example bacteria, plant or an animal cell.

in this, the virus is a parasite, which uses host cell for its benefit (reproduction) by using the cell machinary of host cell.