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.
Providence Temperatures: Averages by Month. The numbers here tell you how hot and cold the weather usually is in Providence, Rhode Island during each month of the year.The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius. Maximums and minimums are only part of the temperature picture.ow Often Providence Has Cold Temperatures. Most winter nights have freezing temperatures in Providence and normally eight of them drop to 10 Â°F or below. The city averages just one day a year, usually in January, when the thermometer plunges to 0 Â°F (-18 Â°C) or less.