12th Class Biology Sample Paper Biology - Sample Paper-7

  • question_answer
    What are the functions of mRNA and tRNA? Which anticodons will be required to recognize following codons?
    (i) AAU
    (ii) UAU
    (iii) CGA
    (iv) GCA
     

    Answer:

    mRNA: Carries codons, specify sequence of ammo acids in protein.
    tRNA: Carry anticodon, adapter molecule for charged amino acid.
    Anticodons:
    (i) AAU\[\to \]UUA                     
    (ii) UAU\[\to \]AUA
    (iii) CGA\[\to \]GCU                   
    (iv) GCA\[\to \]CGU  
     


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