Protein Synthesis: Transcription and Translation
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Questions and Answers

During transcription, what is the role of RNA polymerase?

  • Attaching complimentary RNA nucleotides to the DNA nucleotide strand
  • Initiating the folding process of amino acids
  • Rezipping the DNA strands
  • Unzipping the DNA and reading one of the DNA nucleotide strands (correct)

    • Which process is responsible for the transfer of genetic instructions from DNA to mRNA?

  • Translation
  • Protein synthesis
  • Transcription (correct)
  • Replication

    • What is the start codon in the process of translation?

  • AGU
  • UGA
  • AUG (correct)
  • UAG

    • Which of these represents the language of DNA?

    <p>Sequence of nucleotides</p> Signup and view all the answers

    Where does the folding process of amino acids occur after an amino acid chain is made?

    <p>Rough ER</p> Signup and view all the answers

    What occurs when the ribosome reaches a stop codon during translation?

    <p>The amino acid chain is released</p> Signup and view all the answers

    What is the role of tRNA in translation?

    <p>Bringing amino acids to the ribosome based on the mRNA codon sequence</p> Signup and view all the answers

    What is the function of rRNA in translation?

    <p>Bonding to the ribosome and moving along until it finds the start codon</p> Signup and view all the answers

    What is the universal feature of the genetic code?

    <p>All known living things have the same genetic code</p> Signup and view all the answers

    Which step does RNA polymerase perform during transcription?

    <p>Reading one of the DNA nucleotide strands and attaching complimentary RNA nucleotides to that strand</p> Signup and view all the answers

    Where does transcription take place in a cell?

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

    What is the main function of messenger RNA (mRNA)?

    <p>Carry instructions to the ribosome for protein synthesis</p> Signup and view all the answers

    Which nitrogen base is present in RNA instead of thymine?

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

    What is the function of transfer RNA (tRNA) in protein synthesis?

    <p>Bring amino acids to ribosomes for protein formation</p> Signup and view all the answers

    What is the structure of ribosomal RNA (rRNA) mainly associated with?

    <p>Structure of ribosomes</p> Signup and view all the answers

    What differentiates RNA from DNA in terms of their sugar components?

    <p>RNA consists of ribose, unlike deoxyribose in DNA</p> Signup and view all the answers

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