12th Class Biology Sample Paper Biology - Sample Paper-1

  • question_answer
    What is a bioreactor write about its uses? Name a commonly used bioreactor and any two of its components.

    Answer:

    A bioreactor is a large vessel used for converting the raw materials into specific products biologically such as proteins, enzymes, etc., through the use of microbial, plant or animal cells.
    The most commonly used bioreactors are of stirred type. The two components of a stirred - tank bioreactor are
    (i) Inlet for sterile air or oxygen     
    (ii) Agitator system
    (iii) Temperature control system   
    (iv) pH control system
    (v) Foam control system             
    (vi) Sampling to withdraw culture (any two).


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