Diphtheria is caused by bacteria that have been infected by a bacteriophage. this bacteriophage is a lysogenic phage and contains the genes to produce the diphtheria toxin, which inhibits protein synthesis. which of the following is the correct term for the phage while its genetic material is integrated into the bacterial chromosome?

a. the genetic material is called a viroid
b. the genetic material is called a prophage and the change in the host cell's properties is called lysogenic conversion
c. the genetic material is called a transposon and the change in the host cell's properties is called competence
d. the genetic material is called a prion