Which of the Following Exonuclease Activities Is Present in DNA

question 14

Multiple Choice

Which of the following exonuclease activities is present in DNA polymerase I?

• A)3' exonuclease that degrades double stranded DNA
• B)3' exonuclease that degrades hairpin DNA
• C)5' exonuclease that degrades single stranded DNA
• D)5' exonuclease that removes RNA from a DNA-RNA duplex
• E)none of the above

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Definitions:

Straight-Line Method

A method of allocating an asset's cost evenly over its useful life for the purpose of accounting and depreciation.

Carrying Value

The book value of an asset or liability on the balance sheet, considering any depreciation, amortization, or impairment costs.

Face Value

The nominal value printed on a financial instrument like a bond or a stock certificate, representing its legal value.

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return, used in discounting and investment appraisal.