The use of restriction enzymes as a tool for recombining, or joining, different DNA fragments was first illustrated in yet another classic paper, this time by Stanford University researchers Janet Mertz and Ronald Davis (Mertz & Davis, 1972).
Averages for Puerto Vallarta in February. The temperatures are still very warm in Puerto Vallarta, Mexico, in February, even though itâs still winter. Thanks to the cityâs location close to the equator, it enjoys good weather all year round providing the perfect place to head for a winter beach break â it certainly beats the cold European winter.
In February Torrevieja weather is usually cold, although sometimes mild to warm with an average monthly temperature of 12 degrees Celsius. The chance of rainfall increases in February and nights are cold. To dress for the February weather in Torrevieja bring warm clothing such as jeans, jumpers, coat and long trousers.ummer temperatures in Torrevieja will mostly be between 25 degrees Celsius to 35 degrees Celsius during the day. Temperatures at night in the summer in Torrevieja rarely drop below 15 degrees Celsius. Because Torreviejaâs humidity is low you wonât feel the temperature is as high as it really is.