Podcast
Questions and Answers
What is the function of the Peptidyl-transferase centre in ribosomes?
What is the function of the Peptidyl-transferase centre in ribosomes?
- Match tRNAs to codons
- Identify the start codon
- Catalyze formation of peptide bonds (correct)
- Facilitate complementary base pairing
Which RNA molecule is found in both bacterial and eukaryotic small ribosomal subunits?
Which RNA molecule is found in both bacterial and eukaryotic small ribosomal subunits?
- 18S rRNA
- 16S rRNA (correct)
- 5S rRNA
- 23S rRNA
In bacterial mRNA, what is the function of the Shine–Dalgarno sequence?
In bacterial mRNA, what is the function of the Shine–Dalgarno sequence?
- Separate translation segments
- Facilitate complementary base pairing
- Bind mRNA and identify the start codon (correct)
- Catalyze formation of peptide bonds
What differentiates bacterial and eukaryotic translation initiation processes?
What differentiates bacterial and eukaryotic translation initiation processes?
In translation, what does the Decoding centre of ribosomes specifically do?
In translation, what does the Decoding centre of ribosomes specifically do?
Which region of mRNA marks the boundaries of translation and contains the stop codon?
Which region of mRNA marks the boundaries of translation and contains the stop codon?
What is needed for initiation of translation in bacteria?
What is needed for initiation of translation in bacteria?
What is the role of IF1 in the initiation of translation in bacteria?
What is the role of IF1 in the initiation of translation in bacteria?
Which sequence base-pairs with the 16S rRNA to position the start codon correctly in bacteria?
Which sequence base-pairs with the 16S rRNA to position the start codon correctly in bacteria?
What is the name of the modified amino acid carried by the initiator tRNA during translation initiation in bacteria?
What is the name of the modified amino acid carried by the initiator tRNA during translation initiation in bacteria?
What happens when the 50S large subunit joins the 30S small subunit during translation initiation in bacteria?
What happens when the 50S large subunit joins the 30S small subunit during translation initiation in bacteria?
What is necessary to guide the initiator tRNA into the P site during translation initiation in bacteria?
What is necessary to guide the initiator tRNA into the P site during translation initiation in bacteria?
What is the function of the Shine-Dalgarno sequence in prokaryotic mRNA?
What is the function of the Shine-Dalgarno sequence in prokaryotic mRNA?
What are some proteins involved in recognizing mRNA in eukaryotic translation initiation?
What are some proteins involved in recognizing mRNA in eukaryotic translation initiation?
Which release factor recognizes all three stop codons in eukaryotes and archaea?
Which release factor recognizes all three stop codons in eukaryotes and archaea?
What is the role of eIF1a during translation initiation in eukaryotes?
What is the role of eIF1a during translation initiation in eukaryotes?
Why is the consensus Kozak sequence important in translation initiation?
Why is the consensus Kozak sequence important in translation initiation?
Which antibiotics block elongation step in protein synthesis?
Which antibiotics block elongation step in protein synthesis?
What occurs when a match is found during translation initiation?
What occurs when a match is found during translation initiation?
In bacteria, which component recognizes stop codons UAG and UAA?
In bacteria, which component recognizes stop codons UAG and UAA?
What does EF-G do during elongation phase of protein synthesis in bacteria?
What does EF-G do during elongation phase of protein synthesis in bacteria?
What blocks translocation step in protein synthesis?
What blocks translocation step in protein synthesis?
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