1. Introduction to Microbiology

Which of the following phage types cause productive infections that do not kill the host cell?

Which of the following cannot be used to culture viruses?

Which acellular infectious agent is described as a tiny, nonliving particle that invades and then reproduces inside a living cell?

Mad cow disease is caused by a noncellular infectious agent called a:

Which of the following lists correctly identifies the three main criteria used to classify viruses?

Which of the following compounds is commonly used as a gaseous sterilant or disinfectant?

Which of the following best describes acellular vaccines and subunit vaccines?

Which term describes the mechanism by which an enveloped virus exits a host cell?

Which of the following cannot be used to culture viruses?

Which of the following is a characteristic of viruses?

Which of the following is a characteristic only found in some viruses?

Which group of acellular infectious agents consists solely of hereditary material (nucleic acid) enclosed in a protein coat?

Which of the following statements correctly describes prions, but not viroids?

Some viruses, such as human herpesvirus 1, infect a cell without causing symptoms. These are called:

Which of the following best describes a key difference between viruses and bacteria?