In the Hershey and Chase Experiment, Phage-Infected Bacteria and Viral

question 35

Multiple Choice

In the Hershey and Chase experiment, phage-infected bacteria and viral progeny were radioactive following bacterial infection with ³²P-labeled viruses. Why? ​

• A)Bacteria had incorporated radioactive proteins into their DNA. ​
• B)Bacteria and viral progeny had incorporated ³²P into their DNA.
• C)Viral progeny had used the ³²P to build new viral proteins.
• D)Bacteria had incorporated radioactive proteins into their cell membranes.
• E)​ ³² P was left outside the cell during viral infection.

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Definitions:

Classical Conditioning

A learning process in which a biologically potent stimulus is paired with a previously neutral stimulus to elicit a response.

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention in classical conditioning.

Social-Cognitive Learning

The acquisition of knowledge or behaviors through observation of others, rather than through direct experience.

Modeling

The process of observing and imitating specific behaviors from others as a form of learning.