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.
In agricultural farming, ammonia is used as a great source of nitrogen fertilizer. It is such a good source that over 88% of ammonia manufactured is used in agriculture. The type of ammonia used in agricultural fertilizer is anhydrous, which means it contains no water.