In Bacteriophage Lambda, the Choice Between the Lytic and Lysogenic

question 110

Multiple Choice

In bacteriophage lambda, the choice between the lytic and lysogenic pathways is often thought of as a sort of race between the production of cro protein and production of cI protein. What pathway would likely predominate in a mutant in which cI was overexpressed relative to a wild-type virus? In a mutant in which cI was underexpressed relative to a wild-type virus?

• A)lytic, lytic
• B)lytic, lysogenic
• C)lysogenic, lytic
• D)lysogenic, lysogenic

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Definitions:

Covariation Model

Kelley’s theory of causal attribution – people assign the cause of behaviour to the factor that covaries most closely with the behaviour.

Emotional Lability

The propensity for rapid, often unpredictable changes in emotion.

Correspondent Inference

A theory suggesting that people infer the motives and dispositions of others from observable behaviors, especially if the behaviors are unexpected.

Causal Inference

The process of determining the cause-and-effect relationship between variables, typically assessed through controlled experiments or observational studies.