By Air: Fly to either Buffalo New York or Toronto Canada. Buffalo/Niagara International Airport is 25 miles/41 kilometers to Niagara Falls. Toronto Canadaâs Lester Pearson International airport is 78 miles/125 kilometers to the Falls. The airport you choose to arrive at usually depends on where you are coming from.
2. A device or agent used to detect or explore a substance, e.g., a molecule used to detect the presence of a specific fragment of DNA or RNA or of a specific bacterial colony. 3. To enter and explore, as with a probe.
University of Toledo. Polymerase Chain Reaction (PCR) Background information. The polymerase chain reaction (PCR) is an enzymatic process that allows for the. detection of specific genes within an environmental DNA sample. PCR utilizes. short, user defined DNA sequences called oligonucleotide primers, the sequence.