Host Specificity of a Virus Is Due to

question 73

Multiple Choice

Host specificity of a virus is due to

• A) the presence of an envelope.
• B) particular genes that it shares with the infected cell.
• C) differences in size between the virus and the host cell.
• D) interactions between viral and cellular surface molecules.
• E) the presence or absence of a cell wall on the host cell.

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Definitions:

Oceanic Trench

A deep, narrow depression in the ocean floor, usually occurring at subduction zones where one tectonic plate is being forced under another.

Island Chain

A series of islands formed close to each other, often as a result of volcanic activity.

Mid-Ocean Ridge

An underwater mountain range formed by plate tectonics, where new oceanic crust is created.

Transform Fault

A strike-slip fault that accommodates the horizontal movement of one tectonic plate past another.