What are bioreactors?

(N/A) Bioreactors are large vessels in which raw materials are biologically converted into specific products,individual enzymes,etc.,using microbial,plant,animal,or human cells.
They provide optimal growth conditions for achieving the desired product by providing optimum temperature,$pH$,substrate,salts,vitamins,and oxygen.
The most commonly used bioreactors are of the stirring type,known as stirred-tank bioreactors.