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  5. Molecular basis of Inheritance / विरासत का आणविक आधार

12th Class Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank MCQs - Molecular Basis of Inheritance

  • question_answer
    If the base sequence of a codon in mRNA is 5'-AUG-3', the sequence of mRNA pairing with it must be

    A) 5'-UAC-3'          

    B) S'-CAU-3'

    C) 5'-AUG-3'          

    D) S'-GUA-3'

    Correct Answer: B

    Solution :

    [b] The first base of anticodon in 5'\[\to \] 3' direction binds with the third base in codon (reading in 5' \[\to \]3' direction). Thus, if the base sequence in codon of mRNA is 5' - AUG - 3' the complementary anticodon will be 3' - UAC - 5' or 5' - CAU - 3'


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