The Figure Below Shows the First Cycle in Polymerase Chain

question 31

Multiple Choice

The figure below shows the first cycle in polymerase chain reaction (PCR) .The structure marked "P" in this figure

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

---

Definitions:

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, triggers a conditioned response.

Impending Occurrence

An anticipated event that is about to happen or likely to occur in the near future.

Unconditioned Stimulus

In the context of classical conditioning, a stimulus that effortlessly and automatically provokes a response with no prior instruction.

Generalization

The process by which the brain applies learned responses to similar stimuli beyond the original situation.