Microbiology: A Systems Approach 4th Edition by Marjorie Kelly Cowan

Exercise 41

Critical thinking is the ability to reason and solve problems using facts and concepts. These questions can be approached from a number of angles and, in most cases, they do not have a single correct answer.
a. Sketch the basic structure of both a nonenveloped and an enveloped virus, labeling all parts.
b. Discuss the validity of the following statement: The viral capsid and envelope only provide functions that enhance the pathogenicity of a virus.