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).
The Knowhow. 1  A fridge should have a temperature of between 37Â°F(3Â°C) and 40Â°F (5Â°C). 2  Any higher and the food will go off, any lower and youâll lose nutrients and fresh food can be ruined. 3  The ideal freezer temperature is 0Â°F (-18Â°C) which will store food safely and stop bacteria forming.