Alfred Hershey and Martha Chase Examined Transformation Using Bacteriophage (Bacterial

question 43

Multiple Choice

Alfred Hershey and Martha Chase examined transformation using bacteriophage (bacterial DNA virus) and bacterial cells.In this experiment,how is transformation (altered phenotype) displayed?

• A)The bacteria are transformed (by phage DNA)into virus synthesizing cells.
• B)The bacteria are transformed from live to dead by the virus.
• C)The bacteria are transformed from rough to smooth by the virus.
• D)The bacteria are transformed into a virus.
• E)Transformation is not exhibited by a virus-infected bacterial cell.

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Definitions:

Algorithm

A step-by-step procedure or formula for solving a problem.

Heuristic

A mental shortcut that allows people to solve problems and make judgments quickly and efficiently.

Prototypical

Representing a typical example of a category or class, often used as a benchmark for comparing other objects or concepts.

Mental Representation

The mental imagery or symbolic representation of objects, events, or ideas in the mind, which are not currently being perceived or sensed.