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.
Days of Hot Weather in Providence. Providence typically has nine days in a year when temperatures rise into the 90s Fahrenheit. Just one day per decade on average heats up to 100 Â°F (38 Â°C) or more. Days per month in Providence of at least 70, 80 or 90 Â°F.