Restriction enzymes, also known as restriction endonucleases, are enzymes that cut a DNA molecule at a particular place. They are essential tools for recombinant DNA technology. The enzyme scans a DNA molecule, looking for a particular sequence, usually of four to six nucleotides.
RI Weather - The Climate on Rhode Island. Rhode Islands climate is humid and temperate and experiences the full extent of the four seasons. They dont really have a measurable dry or rainy season but rainfalls are spread evenly through the course of a year. Rhode Islands experiences its warmest weather from April until October.
In a particularly cold winter month as many as six to eight days with such temperatures are observed in southwestern Rhode Island, a few miles inland from the coast. A maximum temperature of 32Â° F or lower occurs on an average of 20 to 25 days per year along the shoreline and 30 to 40 days in the remainder of the State.