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

question 62

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 bind to DNA outside of a cell.
• C) DNA can be cut into fragments only at high temperatures.
• D) The temperature required to separate DNA strands during PCR degrades other enzymes.

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Definitions:

Equilibrium Price

The price at which the quantity of a good or service demanded equals the quantity supplied, leading to a stable market condition.

Equilibrium Quantity

The amount of products or services offered and sought after at the balance price.

Supply Shifts

Changes in the quantity of a product or service that suppliers are willing and able to offer for sale at all possible prices.

Equilibrium Price

The price point at which the supply of goods aligns perfectly with the demand for those goods.