Which Viruses Have Single-Stranded RNA That Acts as a Template

Question

Which viruses have single-stranded RNA that acts as a template for DNA synthesis?
A)lytic phages
B)proviruses
C)viroids
D)bacteriophages
E)retroviruses

Accepted Answer

Retroviruses have single-stranded RNA that acts as a template for DNA synthesis, which is then integrated into the host genome to form a provirus.