Biology Quiz: DNA, mRNA, and Ribosomes
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Questions and Answers

What is the correct location where a chain of amino acids is produced?

  • Ribosome (correct)
  • tRNA
  • DNA
  • mRNA

    • What is the likely outcome of a piece of double-stranded DNA consisting of 18 nucleotides?

  • An mRNA transcript with 2 codons
  • An mRNA transcript with 9 codons (correct)
  • An mRNA transcript with 3 codons
  • An mRNA transcript with 18 codons

    • What type of mutation would not affect the translation process?

  • A mutation in the last base of a stop codon
  • A mutation in the first base of a start codon
  • A mutation in a pyrimidine base (correct)
  • A mutation in the last base of a start codon

    • Where does mutation control in the cell typically occur?

    <p>At the level of replication (C)</p> Signup and view all the answers

    What is equivalent to epigenetic changes in DNA access?

    <p>The regulation of gene expression (A)</p> Signup and view all the answers

    What is the primary difference between the two mRNA sequences?

    <p>The start codon (D)</p> Signup and view all the answers

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