Which of the Following Statements Concerning Viruses Is FALSE

question 65

Multiple Choice

Which of the following statements concerning viruses is FALSE?

• A) Viruses never contain both DNA and RNA.
• B) Viruses enter a cell to complete the replication they have begun extracellularly.
• C) Some viruses have an outer membrane called an envelope.
• D) Viral capsids can assume one of three basic shapes.
• E) Tobacco mosaic virus was the first virus to be discovered and characterized.

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Definitions:

Nondirectional

Pertains to hypotheses or research questions that do not specify the direction of the expected relationships or differences.

Unidirectional

Describes a process or relationship that operates or moves in only one direction.

Multidirectional

Characterized by moving or extending in multiple directions, often used to describe trends, influences, or changes that do not follow a single path.

Quasidirectional

Pertains to a tendency or trend that is not strictly linear or unidirectional but suggests a general direction.