A Particular Type of Virus Carries a Gene for Salicylate

question 47

Multiple Choice

A particular type of virus carries a gene for salicylate hydroxylase, an enzyme that breaks down salicylic acid. Which of the following responses is most likely?

• A) The virus will be more virulent because systemic acquired resistance will be blocked.
• B) The virus will be less virulent because the hypersensitive response will no longer function.
• C) The host will be more susceptible because the hypersensitive response will no longer function.
• D) There will be no difference in virulence because salicylic acid affects only fungal pathogens.

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Definitions:

Imagining Feelings

The process of mentally simulating emotions that one may not currently be experiencing, often used in empathy and perspective-taking.

Sensorimotor Stage

The first stage in Piaget's theory of cognitive development, from birth to about age 2, where infants learn about the world through their sensory impressions and motor activities.

Preoperational

Describes a stage in Piaget's theory of cognitive development where children from 2 to 7 years old engage in symbolic play and struggle with logic and understanding others' perspectives.

Concrete Operational

A stage in cognitive development where children can think logically about concrete events.