Griffith Was Able to Distinguish Two Strains of Pneumococcus by Means

question 61

Multiple Choice

Griffith was able to distinguish two strains of pneumococcus by means of

• A) the appearance of their colonies in culture.
• B) their different rates of replication in culture.
• C) a difference in size.
• D) a difference in color.
• E) a difference in the temperatures required to kill them.

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Definitions:

Cool Drink

A beverage served chilled, often refreshing and consumed to quench thirst or provide relief from heat.

Pain Relief

Methods or treatments used to reduce the intensity of pain experienced by an individual.

Positive Stimulus

An event or object that encourages a favorable response from an individual or system.

Unpleasant Stimulus

A negative or aversive event, object, or situation that can trigger or be used in behavioral responses, including avoidance or behavioral modification techniques.