RNA and Protein Synthesis
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Questions and Answers

What is the role of rRNA in protein synthesis?

  • To provide the site where polypeptides are assembled (correct)
  • To carry information from DNA to the ribosomes
  • To interpret the genetic information in mRNA
  • To recognize specific amino acids

    • What determines the amino acid sequence in a particular protein?

  • The sequence of nucleotides in the DNA molecule
  • The sequence of nucleotides in the mRNA molecule (correct)
  • The sequence of nucleotides in the tRNA molecule
  • The sequence of nucleotides in the rRNA molecule

    • What is the function of the anticodon region in a tRNA molecule?

  • To identify the specific amino acid to be added to a growing polypeptide chain (correct)
  • To bind a specific amino acid
  • To provide the site where polypeptides are assembled
  • To carry information from DNA to the ribosomes

    • What is the role of the 3' end of a tRNA molecule?

    <p>To bind a specific amino acid</p> Signup and view all the answers

    How do tRNA molecules bind to amino acids?

    <p>Through the free OH group at the 3' end</p> Signup and view all the answers

    What is the result of the folding of a tRNA molecule?

    <p>The creation of regions of complementary bases that hydrogen bond to each other</p> Signup and view all the answers

    During translation, what marks the completion of protein synthesis?

    <p>The recognition of a stop codon</p> Signup and view all the answers

    What occurs during the elongation stage of translation?

    <p>The synthesis of the protein</p> Signup and view all the answers

    What is responsible for bringing specific amino acids to add to the peptide chain?

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

    What is formed between two amino acids during elongation?

    <p>Peptide bond</p> Signup and view all the answers

    What is the role of an anticodon in tRNA?

    <p>To bind to a specific codon in mRNA</p> Signup and view all the answers

    What is the first step in the initiation stage of translation?

    <p>The binding of the ribosomal subunits to mRNA</p> Signup and view all the answers

    During transcription, which end of the template strand is where transcription proceeds from?

    <p>3' end</p> Signup and view all the answers

    What is the function of RNA polymerase in transcription?

    <p>To catalyze the formation of mRNA</p> Signup and view all the answers

    What determines which RNA nucleotides are added to the growing RNA chain during transcription?

    <p>Complementary base pairing</p> Signup and view all the answers

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

    <p>To bring specific amino acids to the ribosomes for protein synthesis</p> Signup and view all the answers

    What is the result of transcription in terms of the DNA molecule?

    <p>The DNA helix is temporarily unwound and then re-forms</p> Signup and view all the answers

    What is the direction of RNA synthesis during transcription?

    <p>From 5' to 3' direction</p> Signup and view all the answers

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