Quiz on Regulation of Metabolism Through Posttranslational Modifications
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Questions and Answers

What are Post-translational modifications (PTMs)?

  • Chemical modifications to proteins after they are synthesized (correct)
  • Changes to DNA sequence during transcription
  • Protein synthesis in the absence of genetic information
  • Genetic mutations altering protein structure

    • What is the importance of PTMs in generating appropriate functional proteins?

  • PTMs regulate DNA replication
  • PTMs can impact protein localization and cell signaling (correct)
  • PTMs are solely responsible for protein synthesis
  • PTMs influence mRNA editing

    • What is an example of RNA editing mentioned in the text?

  • De-amination of cytidine in apolipoprotein B mRNA (correct)
  • Transcription of DNA into mRNA
  • Translation of mRNA into proteins
  • Splicing of exons in mRNA

    • What is the function of apolipoprotein B-48 in the intestine?

    <p>It is a building block of chylomicrons</p> Signup and view all the answers

    In which part of the body is apolipoprotein B-48 primarily produced?

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

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