How Could the Hershey and Chase Experimental Procedure Be Re-Designed

question 26

Multiple Choice

How could the Hershey and Chase experimental procedure be re-designed to support the hypothesis that RNA rather than DNA was the transforming agent?

• A)Replace T2 bacteriophage with an RNA virus.
• B)Replace Escherichia with an RNA virus.
• C)Use ³⁵S to label an RNA virus and ³²P to label a DNA virus.
• D)Extract RNA from Escherichia and mix it with the T2 bacteriophage.
• E)Use ³⁵S and ³²P to label the same components of an RNA virus and T2 bacteriophage,then add both viruses to Escherichia cells.

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Definitions:

Negative Perception

The interpretation of an event, individual, or information in a pessimistic or unfavorable light.

Insensitivity To Change

The failure to notice changes in one's environment or within a specific context, often because of gradual or subtle changes.

Evaluative Conditioning

A stimulus will become more liked or less liked when it is consistently paired with stimuli that are either positive or negative.

Spreading Attitude Effect

A liked or disliked person (or attitude object) may affect not only the evaluation of a second person directly associated but also others merely associated with the second person.