The virus life cycle the process is initiated by binding of the virus to its particular cellular receptor The next step involves the delivery of the viral genome into the cell The method of delivery as a sophisticated"molecular hypodermic syringe"(bacteriophage of E. coll or a"molecular bomb"-goes off when the package is the appropriate host compartmentThe virus life cycle • the process is initiated by binding of the virus to its particular cellular receptor. • The next step involves the delivery of the viral genome into the cell • The method of delivery as a sophisticated “molecular hypodermic syringe” (bacteriophage of E. coli) or a “molecular bomb” – goes off when the package is the appropriate host compartment