NEET Sample Paper NEET Sample Test Paper-90

  • question_answer
    Pre-messenger RNAs must be processed in the nucleus in order to

    A) increase their stability in the cytoplasm.

    B) allow transcription to begin.

    C) permit coding sequences to be joined to adjacent noncoding sequences.

    D)  facilitate ribosome recognition in preparation for DNA synthesis

    Correct Answer: A

    Solution :

    [a] Processing occurs after initiation of transcription. Intron removal allows the exons (the coding regions) be joined together. Ribosome recognition does not lead to DNA synthesis.


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