A virus ____ is a sequence of characters that is always present in a particular virus.
?

You can apply a table style when the insertion point is positioned ________ a table

A) anywhere within B) just before C) in the first cell of D) in the last cell of

Under which circumstance can an instance variable be moved to an abstract class?

A. when it refers to the same type of data structure B. when it is unique to a particular concrete class C. when different data structure types are referenced by the variable D. when it directly modifies the underlying data structure