This is known as enzyme digestion. On double stranded DNA the recognition sequence is on both strands, but runs in opposite directions. This allows the enzyme to cut both strands. Sometimes the cut is blunt, sometimes the cut is uneven with dangling nucleotides on one of the two strands.
Yet warm weather is a year round occurrence in San Diego. A day of 80 degrees can happen in any month but December. San Diego's nights are equally mild with an average of just ten nights a year when the thermometer doesnt drop below 70 degrees. Days per month in San Diego of at least 60, 70 or 80 Â°F.
Guide to San Diego weather in March. The average maximum daytime temperature in San Diego in March is a comfortable 19Â°C (66Â°F). The average night-time temperature is usually a cool 10Â°C (50Â°F). There are usually 9 hours of bright sunshine each day, which represents 71% of the 12 hours of daylight.