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Questions and Answers
What is the purpose of the Wobble phenomenon in the genetic code?
What is the purpose of the Wobble phenomenon in the genetic code?
- To ensure that each codon is recognized by a unique tRNA
- To increase the accuracy of protein translation
- To allow for less stringent pairing between the tRNA anticodon and the mRNA codon (correct)
- To prevent mutations in the genetic code
What is the main function of the elongation factors during the elongation phase of translation?
What is the main function of the elongation factors during the elongation phase of translation?
- To ensure the accurate charging of tRNAs with their cognate amino acids
- To facilitate the movement of the ribosome along the mRNA (correct)
- To catalyze the formation of the peptide bond
- To regulate the initiation of translation
What is the primary difference between missense mutations and nonsense mutations?
What is the primary difference between missense mutations and nonsense mutations?
- Missense mutations introduce a stop codon, while nonsense mutations introduce a different amino acid (correct)
- Missense mutations are always silent, while nonsense mutations always result in a truncated protein
- Missense mutations change the amino acid sequence, while nonsense mutations do not
- Missense mutations are caused by a single base substitution, while nonsense mutations are caused by insertions or deletions
What is the primary function of the release factors during the termination phase of translation?
What is the primary function of the release factors during the termination phase of translation?
How do alternatively spliced mRNA molecules contribute to protein diversity?
How do alternatively spliced mRNA molecules contribute to protein diversity?
What is the primary role of the small and large ribosomal subunits during the initiation phase of translation?
What is the primary role of the small and large ribosomal subunits during the initiation phase of translation?
What is the primary function of the genetic code?
What is the primary function of the genetic code?
What is the characteristic feature of the genetic code?
What is the characteristic feature of the genetic code?
What is the start codon in the genetic code?
What is the start codon in the genetic code?
Which of the following is the template strand of DNA during transcription?
Which of the following is the template strand of DNA during transcription?
What is the role of RNA polymerase in transcription?
What is the role of RNA polymerase in transcription?
What is the significance of stop codons in the genetic code?
What is the significance of stop codons in the genetic code?
What is the primary function of tRNA molecules?
What is the primary function of tRNA molecules?
Which component of the tRNA molecule is responsible for recognizing the mRNA codon?
Which component of the tRNA molecule is responsible for recognizing the mRNA codon?
What is the role of the aminoacyl-tRNA synthetase enzyme?
What is the role of the aminoacyl-tRNA synthetase enzyme?
Which ribosomal site binds the tRNA carrying the growing polypeptide chain?
Which ribosomal site binds the tRNA carrying the growing polypeptide chain?
What is the role of the enzyme peptidyl transferase in translation?
What is the role of the enzyme peptidyl transferase in translation?
What is the energy source required for the charging of tRNA molecules with amino acids?
What is the energy source required for the charging of tRNA molecules with amino acids?
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