BHU PMT BHU PMT (Mains) Solved Paper-2010

  • question_answer

    Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:

    Which of the following codons are considered to be the termination codons in protein synthesis? (1) \[\text{UAA}\]                           (2) \[\text{UAC}\]        (3) \[\text{UAG}\]                           (4) \[\text{AUC}\]        

    A)  1, 2 and 3 are correct    

    B)  1 and 2 are correct

    C)  2 and 4 are correct         

    D)  1 and 3 are correct

    Correct Answer: C

    Solution :

                     Three codons \[\text{UAA}\] (ochre), \[\text{UAG}\] (amber) and \[\text{UGA}\] (opal) are the chain step or termination codons. They do not codes for any of the amino add.


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