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.
San Diego: Annual Weather Averages. August is the hottest month in San Diego with an average temperature of 23Â°C (73Â°F) and the coldest is January at 14Â°C (57Â°F) with the most daily sunshine hours at 10 in July. The wettest month is February with an average of 53mm of rain. The best month to swim in the sea is in August when the average sea temperature is 20Â°C (68Â°F).