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 Providence, the average annual precipitation (1971â2000) was 46.5 in (118 cm); snowfall averages 37 in (94 cm) a year. Rhode Island's weather is highly changeable, with storms and hurricanes an occasional threat.he average annual temperature is 50Â°F (10Â°C). At Providence the temperature ranges from an average of 28Â°F (â2Â°C) in January to 73Â°F (23Â°C) in July. The record high temperature, 104Â°F (40Â°C), was registered in Providence on 2 August 1975; the record low, â23Â°F (â31Â°C), at Kingston on 11 January 1942.