MCAT Question of the Day
    •

    Q:

    		 How many of the following modifications take place in post-transcription pre-mRNA transcripts within the nucleus?

    1. Cleavage of mRNA into smaller transcripts
    2. Splicing of exons; removal of introns
    3. Glycosylation of various methionine amino acids
    4. Attachment of a poly-A tail
    5. Attachment of a 5'-Cap
    		 

    A

    		 None

    B

    		 All of the above

    C

    		 2 of the above

    D

    		 3 of the above



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