1. Introduction to Microbiology

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?

Which medical term means 'pertaining to a virus'?

Which of the following is a common cause of viral gastroenteritis?

Which of the following correctly ranks the size of viruses relative to bacteria, prions, and viroids, from largest to smallest?

Which cytopathic effect is characterized by the formation of multinucleated giant cells (syncytia), and which viral agent is most commonly associated with this effect?

Which viral disease is actually a group of many similar viral infections caused by different but related viruses?

The limitation of the type of cell that a virus can invade is called the:

Which of the following best describes what happens to viruses when food is frozen?

According to the Baltimore model, viruses are classified based on which aspect of their life cycle?

Which of the following illustrates a complex virus?

Which of the following viruses is NOT associated with cancer in humans?

Prions are __________ that are thought to cause disease by __________.