Frederick Griffith's Experiments, Which Showed That the R Strain Was

question 31

Multiple Choice

Frederick Griffith's experiments, which showed that the R strain was able to pick up DNA from a heat- treated S strain of Streptococcus pneumonia, provided the first evidence of

• A) homologous recombination.
• B) transformation.
• C) transduction.
• D) conjugation.

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Definitions:

Vocabularies

The collections of words that a person knows and uses in their speech and writing.

Reinforcement

In behavioral psychology, a stimulus or event that follows a behavior and increases the likelihood that the behavior will be repeated.

Skinner

Refers to B.F. Skinner, a prominent American psychologist known for his work in behaviorism and the development of the theory of operant conditioning.

Stunting

Impaired growth and development that children experience from poor nutrition, repeated infection, and inadequate psychosocial stimulation.