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VMMC VMMC Medical Solved Paper-2005

  • question_answer
    A microbial mutant requiring growth factor in addition to minimal medium is:

    A)  auxotroph                         

    B)  heterotrophy                  

    C)  autotroph         

    D)         syntroph

    Correct Answer: A

    Solution :

    Minimal medium is one which has minimum nutritional requirements for the growth. A mutant strain cannot grow on this medium because it lacks a certain growth substance. Such deficient strains are termed as auxotrophs.


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