Most plasmids used for recombinant technology have recognition sequences for a number of restriction enzymes. This allows a scientist to choose from a number of places to cut the plasmid with a restriction enzyme.
Punta de Mita location on the Central Pacific coast of Mexico, hemmed in by jungle covered mountains gives it a sub-tropical climate with only two seasons, dry fairly warm winters (November to May) and hot, semi-humid wet summers (June to October). The Sayulita region averages 345 days of sunshine and 60 inches of rain a year.
The relative humidity for Punta Cana in October ranges between a mildly humid 65% and a very humid 95%, rarely dropping below 55% or reaching 100%. The air is most often at its driest around October 4th, when the relative humidity levels drop below 70% three days out of every four.