May '21
2
MCAT Question of the Day


  • Q:

    Which of the following is true regarding stop codons?

     

    A

    Stop codons contain at least two of the same bases found in the start codon.

    B

    Stop codons can contain thymine in the messenger RNA.

    C

    The amino acid attached to a tRNA that recognizes a stop codon is nonpolar, and this contributes to the translation process ending.

    D

    The introduction of a premature stop codon can be due to both nonsense and missense mutations.




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