mRNA Translation Process Quiz
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Questions and Answers

What type of substitution is described when a purine is replaced by a pyrimidine?

  • Transversion substitution (correct)
  • Transition substitution
  • Silent mutation
  • Point mutation
  • In which type of mutation are stop codons generated, leading to premature termination of protein synthesis?

  • Transversion substitution
  • Silent mutation
  • Transition substitution
  • Point mutation (correct)
  • What is the name of the enzyme responsible for linking amino acids in the elongation process of translation?

  • Helicase
  • Primase
  • Topoisomerase
  • Peptidyl transferase (correct)
  • Which type of mutation can result in the replacement of one amino acid by another, potentially altering the protein's function?

    <p>Point mutation</p> Signup and view all the answers

    What is the function of initiation factors (IF) in translation?

    <p>Separate ribosomal subunits</p> Signup and view all the answers

    What is the consequence of mutations in repair genes according to the provided text?

    <p>They can result in cancer</p> Signup and view all the answers

    What are the coding regions of mRNA that specify functional protein products called?

    <p>Exons</p> Signup and view all the answers

    Which type of RNA carries amino acids from the cytoplasm to the ribosome during translation?

    <p>tRNA</p> Signup and view all the answers

    When a gene mutation prevents its protein product from functioning properly, what can be the outcome?

    <p>Development of a disorder</p> Signup and view all the answers

    In eukaryotic mRNA, what is added to the 5' end and the 3' end?

    <p>Poly A tail and 5' cap</p> Signup and view all the answers

    What type of mutations can be inherited due to alterations in germ cells?

    <p>Point mutations</p> Signup and view all the answers

    Which component of the ribosome has an anticodon that pairs with the codon in mRNA during translation?

    <p>tRNA</p> Signup and view all the answers

    Which site on the ribosome allows the entrance of a tRNA bearing the first amino acid?

    <p>A site</p> Signup and view all the answers

    What type of mutations arise from exposure to chemicals, UV rays, or x-rays?

    <p>Induced mutations</p> Signup and view all the answers

    What is the role of release factors in translation?

    <p>Halt the process and release the polypeptide</p> Signup and view all the answers

    Which part of the ribosome binds mRNA and allows the entrance of tRNA to the P site?

    <p>Small subunit</p> Signup and view all the answers

    In DNA replication, what can induce mutations by causing errors in DNA sequencing?

    <p>Environmental agents</p> Signup and view all the answers

    What type of mutations affect a single base pair?

    <p>Point mutations</p> Signup and view all the answers

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