Question

What type of virus is Qβ (QB) bacteriophage?

Options

• An animal virus that uses double-stranded RNA

• A retrovirus with reverse transcriptase

• A plant virus that uses DNA

• A bacterial virus that uses single-stranded RNA as genetic material

Answer 1

Qβ (QB) bacteriophage is a bacterial virus (bacteriophage) that uses single-stranded RNA (ssRNA) as its genetic material. It demonstrates that RNA can serve as genetic material in bacterial viruses.