Which of the following best characterizes the environmental stability of non-enveloped (naked) animal viruses compared to enveloped viruses?, A) Naked viruses are highly fragile and require direct mucosal contact for transmission., B) Naked viruses are resistant to drying, detergents, and acidity, allowing them to survive long periods in the environment., C) Enveloped viruses are characteristically resistant to bile salts, which facilitates their persistence in the GI tract., In helical viral capsids, what does the structural metric known as the "pitch" of the helix refer to?, A) The total length of the cylindrical nucleocapsid filament., B) The outer diameter of the ribonucleoprotein tube., C) The linear distance along the central axis corresponding to one complete 360-degree turn., Which of the following defines a classic Non-Structural Protein (NSP) function during a viral infection?, A) Forming the repeating protomer units that build the capsid shell., B) Acting as the exterior glycoprotein responsible for host receptor binding., C) Functioning as polymerases or proteases involved in genome replication inside the cell, but not packaged into the mature virion.

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