Gene Expression Regulation in Eukaryotes Quiz

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Questions and Answers

What is the reason for the uncoupling of transcription and translation in eukaryotes?

  • High DNA replication rate
  • Absence of ribosomes
  • Lack of messenger RNA processing
  • Presence of nucleus (correct)

Which process is NOT a part of eukaryotic messenger RNA processing?

  • Polyadenylation
  • Capping
  • Splicing
  • Translation (correct)

What is the characteristic of eukaryotic messenger RNA?

  • Monocistronic (correct)
  • Circular
  • Polycistronic
  • Non-coding

How many RNA polymerases are there in eukaryotes?

<p>Three (A)</p> Signup and view all the answers

Which RNA polymerase is responsible for transcribing all the protein-coding genes in eukaryotes?

<p>RNA polymerase II (A)</p> Signup and view all the answers

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Study Notes

Eukaryotic Gene Expression

  • In eukaryotes, transcription and translation are uncoupled, allowing for more complex gene regulation and greater control over protein synthesis.

Eukaryotic Messenger RNA Processing

  • One process that is NOT a part of eukaryotic messenger RNA (mRNA) processing is translation, as it occurs in the cytoplasm.
  • Eukaryotic mRNA is characterized by the presence of a 5' cap and a 3' poly-A tail.

RNA Polymerases in Eukaryotes

  • There are three RNA polymerases in eukaryotes: RNA polymerase I, RNA polymerase II, and RNA polymerase III.
  • RNA polymerase II is responsible for transcribing all the protein-coding genes in eukaryotes.

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