Prokaryotic Gene Arrangement Quiz
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Questions and Answers

Which RNA polymerase is responsible for producing mRNA in eukaryotes?

  • RNA polymerase I
  • RNA polymerase III
  • RNA polymerase IV
  • RNA polymerase II (correct)

What is an operon prediction tool used for in prokaryotes?

  • Identifying whether two adjacent genes belong to the same operon (correct)
  • Identifying the presence or absence of a terminator
  • Producing monocistronic RNA
  • Producing polycistronic RNA

What is the difference between monocistronic RNA and polycistronic RNA in prokaryotes?

  • Monocistronic RNA is controlled by one promoter, while polycistronic RNA is controlled by many promoters (correct)
  • Monocistronic RNA produces many proteins, while polycistronic RNA produces one protein
  • There is no difference between monocistronic RNA and polycistronic RNA
  • Monocistronic RNA is produced by one gene, while polycistronic RNA is produced by many genes

What are the three different RNA polymerases responsible for transcription in eukaryotes?

<p>RNA polymerase I, II, and III (C)</p> Signup and view all the answers

What are the three parts of the eukaryotic promoter?

<p>Core, proximal, and distal (A)</p> Signup and view all the answers

What is the consensus sequence of the TATA box located at the transcription start site?

<p>TATAAA (B)</p> Signup and view all the answers

What is the length of the core promoter and what elements does it contain?

<p>35 bp, TATA box, Inr element, and DPE (A)</p> Signup and view all the answers

What is the Kozak sequence and what is its significance in translation initiation site prediction?

<p>A sequence of nucleotides that identifies the translation start site (C)</p> Signup and view all the answers

What is the proximal promoter and what elements does it contain?

<p>250 bp long, contains TATA box and Inr element (D)</p> Signup and view all the answers

What is the purpose of using multiple promoter prediction algorithms?

<p>To compare the output of different programs and find the common predicted elements (B)</p> Signup and view all the answers

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