The Polymerase Chain Reaction (PCR)technique Could Be Developed Only After

question 80

Multiple Choice

The polymerase chain reaction (PCR) technique could be developed only after the discovery of bacterial enzymes that were able to withstand high temperatures. Why was it necessary to use such enzymes?

• A)Only bacterial DNA can be copied using the PCR method, so bacterial enzymes were necessary.
• B)Bacterial enzymes can move through the gel only during PCR electrophoresis.
• C)DNA can be cut into fragments only at high temperatures.
• D)The temperature required to separate DNA strands during PCR degrades most normal enzymes.

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A hedge that is accounted for at fair value, with changes in fair value recognized in earnings, to offset the exposure of an identified risk.

Foreign Currency Option

A financial contract allowing the owner to convert funds from one currency to another at a predetermined rate on a specific date, without being required to do so.

Put Option

A financial contract giving the holder the right to sell an asset at a specified price within a specific time.

Cash Flow Hedge

A cash flow hedge is a type of hedge that is used to manage exposure to variability in cash flows, particularly those related to forecasted transactions that could affect profit or loss.