12th Class Biology Sample Paper Biology Olympiad Sample Paper-1

  • question_answer
    Which one of the following statements is correct?

    A)  Introns are present in mRNA and exons are present in tRNA.

    B)  Codons are present in mRNA and anticodons in tRNA.

    C)  Every intron is a set of three terminator codons.

    D)  Exons are present in eukaryotes while introns are present in prokaryotes.

    Correct Answer: B


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