Includes medical terms and definitions 3 oct 2005 (science biochemistry, chemistry) an additive effect is the overall biological two chemicals acting together which simple sum of genetic effects are contributions to final phenotype from more than one gene, tools.
Therefore, you want your refrigerator to be cold, but not so cold that it freezes things. The preferred temperature is somewhere between 35 and 38 degrees F (1.7 to 3.3 degrees C). Anything higher and foods will spoil too quickly (it also presents food poisoning problems, as described in several of the links below).
You should keep your fridge temperature set at 3Â°C/37.4F and your freezer set at -19Â°C/-2.2F (or -18Â°C/-0.4F, depending on your model) all year-round. Note: the power cool and power freeze functions should only be used when large quantities of fresh food are placed in the fridge or freezer (such as when you're storing the week's grocery shopping).