It is for this reason that is referred to as a complementary DNA or cDNA. Though there are numerous processes for synthesizing cDNA, the best way of doing so is by using mature or fully spliced mRNA. This is usually done by using the enzyme reverse transcriptase.
Ammonia is used as refrigerant prominently in the refrigeration systems of food industry like dairies, ice creams plants, frozen food production plants, cold storage warehouses, processors of fish, poultry and meat and number of other applications.
Freon Refrigerants. These refrigerants use ethane and methane as bases, and are the most important group of refrigerants being used in modern technology. These are used in a variety of applications, such as reciprocating compression refrigeration, and rotary compressors.n broader sense, the term refrigerant is also applied to such cooling systems as cold water or brine solutions. As commonly interpreted, refrigerants include those working mediums that pass through the cycle of evaporation, recovery, compression and condensation.