The Following Figure Shows the First Cycle in Polymerase Chain

question 55

Multiple Choice

The following figure shows the first cycle in polymerase chain reaction (PCR) .

What is the role of the structure marked "P" in this figure?

• A) The "P" represents the heat-tolerant DNA polymerase used in PCR to copy the gene of interest.
• B) The "P" represents a sequence of DNA complementary to parts of the gene being amplified that allows DNA polymerase to attach to the gene.
• C) The "P" indicates where on the DNA that DNA polymerase should terminate replication.
• D) The "P" indicates the location of the promoter for the gene being amplified.

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Definitions:

Cash Payback Period

the duration required to recover the cost of an investment through cash flows generated by the investment.

Annual Net Cash Inflow

The net amount of cash that flows into a company in a year after all expenses and outflows have been subtracted from total inflows.

Capital Rationing

The process of selecting the most profitable projects to invest in when a company has limited resources or capital available.

Present Value

The present value of anticipated future cash flows or sums of money, calculated with a given rate of earnings.