In Fredrick Griffith's Classic Experiments

question 3

Multiple Choice

In Fredrick Griffith's classic experiments,

• A) mice injected with strain R cells died of pneumonia.
• B) mice injected with strain S cells died of pneumonia.
• C) mice injected with live strain R cells and heat-killed strain S cells died of pneumonia.
• D) mice injected with strain S cells, or live strain R cells and heat-killed strain S cells died of pneumonia.
• E) mice injected with strain R cells, or live strain R cells and heat-killed strain S cells died of pneumonia.

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Definitions:

Psycholinguistic Theory

The view that language learning involves an interaction between environmental influences and an inborn tendency to acquire language. The emphasis is on the inborn tendency.

Sensitive Periods

Specified times in development when the brain is particularly receptive to learning certain skills or knowledge.

Language Acquisition Device

A theoretical construct in linguistics proposed by Noam Chomsky, suggesting an innate faculty that allows humans to acquire language.

LAD

Can refer to several meanings; without context, this term cannot be accurately defined.