Exam 6: An Introduction to Viruses

While of the following techniques or tools has provided information regarding the nature of viruses, which one had to be developed before the genetics, biochemistry, and life cycles of viruses could be thoroughly studied?

The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is

The descriptive groupings of virus into categories such as icosahedral and helical are based on

Which of the following is correct about viruses?

A common method for cultivating viruses in the lab is to use in vitro systems called _____ cultures.

Which of the following viral types enter animal cells via fusion with the animal cell membrane?

Viruses acquire envelopes around their nucleocapsids during

All of the following are correct about treating viral diseases except

Which is incorrect about prophages?

Helical and icosahedral are terms used to describe the shapes of a virus

Visible, clear, well-defined patches in a monolayer of virus-infected cells in a culture are called

Which of the following is a type of cytopathic effect?

During lysogeny, an inactive prophage state occurs when the viral DNA is inserted into the _________.

Classification of viruses into families involves determining all the following characteristics except

How do enveloped animal viruses exit their host?

The three basic groups of viruses based on morphology include

When a virus enters a host cell, the viral genes redirect the genetic and metabolic activities of the host cell.

Explain what is meant by host range, what governs host range, and what is meant by tissue tropism.

Diagnosis of viral infections sometimes involves analyzing the patient's blood for specific _____ that the immune system produced against the virus.

Viral cultivation is used for