Читать книгу Basic Virology - Martinez J. Hewlett - Страница 99

1 One structural form used in building virus particles is based on the icosahedron. Describe, either in words or in a diagram, the organization (number of capsomers, etc.) of the simplest virus particle of this form.

2 If a virus has a negative‐sense RNA genome, what enzymatic activity (if any) will be found as part of the virion, and what will be the first step in expression of the viral genome?

3 List three properties of a virus that might be used as criteria for classification (taxonomy).

4 What is the basis of the Baltimore classification scheme?

5 What are some examples of virus structural proteins? What are some examples of proteins that have enzymatic activity included as part of a virus structure?