The Hershey-Chase Experiments, in Which ³²P and ³⁵S Were Used

question 4

Multiple Choice

The Hershey-Chase experiments, in which ³²P and ³⁵S were used to label biological molecules, demonstrated ____.

• A)the semiconservative nature of DNA replication
• B)that harmless bacterial cells can be permanently and heritably transformed into lethal bacterial cells
• C)that pure DNA extracted from disease-causing bacteria transformed harmless strains into killer strains
• D)that bacteriophages transfer their DNA, but not their protein coats, to their host bacteria
• E)that DNA content of a cell does not vary over time

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Definitions:

Purchase Price

The amount paid to acquire a product or service, or the cost at which something is bought.

Salvage Value

The forecasted worth of an asset upon reaching the end of its utility.

Discount Rate

The interest rate charged to commercial banks and other depository institutions for loans received from the central bank's discount window.

Depreciable Equipment

Tangible assets used in production or operations that are written off over their useful lives due to wear and tear or obsolescence.