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Questions and Answers
What happens when a stop codon is encountered during translation?
What happens when a stop codon is encountered during translation?
- The 40S & 60S subunits are joined to form a larger ribosome complex.
- The tRNA holding the polypeptide moves to the A site.
- GTP hydrolysis provides energy to form a peptide bond.
- A release factor binds with the ribosome. (correct)
What aids in the proper folding of complex polypeptides as they exit the ribosome?
What aids in the proper folding of complex polypeptides as they exit the ribosome?
- RNA polymerase
- A Shine-Dalgarno sequence
- A scanning mechanism
- Chaperones (correct)
Which feature of tRNAs pairs with the codon in the mRNA during translation?
Which feature of tRNAs pairs with the codon in the mRNA during translation?
- Polysome
- Anticodon loop (correct)
- Cloverleaf structure
- CCA terminus
What is a characteristic of prokaryotic mRNA molecules?
What is a characteristic of prokaryotic mRNA molecules?
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What is the function of a Shine-Dalgarno sequence in bacteria?
What is the function of a Shine-Dalgarno sequence in bacteria?
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In which cellular compartment does translation occur in eukaryotes?
In which cellular compartment does translation occur in eukaryotes?
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What is a characteristic of polycistronic mRNA molecules?
What is a characteristic of polycistronic mRNA molecules?
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What provides energy to cleave the polypeptide from the tRNA during termination of translation?
What provides energy to cleave the polypeptide from the tRNA during termination of translation?
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'Cistron' in bacteria refers to:
'Cistron' in bacteria refers to:
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What is maintained throughout the process of translation?
What is maintained throughout the process of translation?
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