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.
Climate of Rhode Island Topographic features-Rhode Island, the smallest of states, shares the southeastern corner of New England with a portion of Massachusetts. The State extends for 50 miles in a north-south direction and has an average width of about 30 miles.nnual precipitation averages 42 to 46 inches over most of the State, with a tendency for decreasing amounts from west to east. It varies from about 40 inches in the immediate southeastern Bay area and on Block Island to 48 inches in the western uplands.