Tobacco Contains a Resistance Gene That Recognizes a Specific Avirulence

Multiple Choice

Tobacco contains a resistance gene that recognizes a specific avirulence gene in tobacco mosaic virus (TMV) and mobilizes the plant's defenses against it.This is an example of

A) general immunity.
B) gene-for-gene resistance.
C) a hypersensitive response.
D) systemic acquired resistance.
E) a pathogen associated molecular pattern.