The Significance of the Hershey and Chase Experiments in Which

question 13

Multiple Choice

The significance of the Hershey and Chase experiments in which ³²P and ³⁵S were used is that

• A) DNA labeled with ³⁵S and proteins labeled with ³²P can be traced in the course of an experiment.
• B) they demonstrated that DNA labeled with ³²P is transferred from the bacteriophage to the virus.
• C) they established that proteins labeled with ³⁵S become deactivated and unable to be transferred.
• D) they demonstrated that bacteriophages transfer their DNA, not their protein coats, into their hosts.
• E) DNA may be the hereditary material; although, bacteriophages transfer both DNA and proteins into their hosts.

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Definitions:

CCA Class

Categories used in Canadian tax law to determine the depreciation rate for various types of assets for tax purposes.

Net Advantage To Leasing

The financial benefit gained from leasing an asset as opposed to purchasing it, typically considered from a tax or cash flow perspective.

Tax Loss Carryovers

A provision that allows a taxpayer to use a net operating loss in one year to offset taxable income in future years.

CCA Class

Capital Cost Allowance (CCA) Class refers to categories used in taxation to determine the depreciation rate that can be claimed for tax purposes on assets, depending on their nature and use in a business.