Gene Structures

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Questions and Answers

What is the key difference between eukaryotic and prokaryotic gene structures?

  • Eukaryotic genes have both introns and exons, while prokaryotic genes have only introns.
  • Eukaryotic genes have only introns, while prokaryotic genes have both introns and exons.
  • Eukaryotic genes have only exons, while prokaryotic genes have both introns and exons.
  • Eukaryotic genes have both introns and exons, while prokaryotic genes have only exons. (correct)

What is monocistronic mRNA?

  • A type of mRNA that is translated into a single protein. (correct)
  • A type of mRNA that is transcribed from a single gene.
  • A type of mRNA that is transcribed from multiple genes.
  • A type of mRNA that is translated into multiple proteins.

What is polycistronic mRNA?

  • A type of mRNA that is translated into a single protein.
  • A type of mRNA that is transcribed from a single gene.
  • A type of mRNA that is transcribed from multiple genes. (correct)
  • A type of mRNA that is translated into multiple proteins.

What is the key difference between eukaryotic and prokaryotic mRNA?

<p>Eukaryotic mRNA is monocistronic, while prokaryotic mRNA is polycistronic. (A)</p> Signup and view all the answers

What is the function of introns in eukaryotic genes?

<p>To be removed during RNA processing. (D)</p> Signup and view all the answers

What is the function of exons in eukaryotic genes?

<p>To code for proteins. (B)</p> Signup and view all the answers

What is the function of introns in prokaryotic genes?

<p>Prokaryotic genes do not have introns. (A)</p> Signup and view all the answers

What is the function of exons in prokaryotic genes?

<p>To code for proteins. (C)</p> Signup and view all the answers

What is the difference between monocistronic and polycistronic mRNA?

<p>Monocistronic mRNA is translated into a single protein, while polycistronic mRNA is translated into multiple proteins. (A)</p> Signup and view all the answers

What is the difference between eukaryotic and prokaryotic gene structures?

<p>Eukaryotic genes have both introns and exons, while prokaryotic genes have only exons. (A)</p> Signup and view all the answers

What is the difference between eukaryotic and prokaryotic mRNA?

<p>Eukaryotic mRNA is monocistronic, while prokaryotic mRNA is polycistronic. (C)</p> Signup and view all the answers

What is the key difference between eukaryotic and prokaryotic gene structures?

<p>Eukaryotic genes have both introns and exons, while prokaryotic genes have only exons. (A)</p> Signup and view all the answers

What is monocistronic mRNA?

<p>A type of mRNA that is translated into a single protein. (A)</p> Signup and view all the answers

What is polycistronic mRNA?

<p>A type of mRNA that is transcribed from multiple genes. (C)</p> Signup and view all the answers

What is the key difference between eukaryotic and prokaryotic mRNA?

<p>Eukaryotic mRNA is monocistronic, while prokaryotic mRNA is polycistronic. (B)</p> Signup and view all the answers

What is the function of introns in eukaryotic genes?

<p>To be removed during RNA processing. (A)</p> Signup and view all the answers

What is the function of exons in eukaryotic genes?

<p>To code for proteins. (B)</p> Signup and view all the answers

What is the function of introns in prokaryotic genes?

<p>Prokaryotic genes do not have introns. (A)</p> Signup and view all the answers

What is the function of exons in prokaryotic genes?

<p>To code for proteins. (D)</p> Signup and view all the answers

What is the difference between monocistronic and polycistronic mRNA?

<p>Monocistronic mRNA is translated into a single protein, while polycistronic mRNA is translated into multiple proteins. (B)</p> Signup and view all the answers

What is the difference between eukaryotic and prokaryotic gene structures?

<p>Eukaryotic genes have both introns and exons, while prokaryotic genes have only exons. (B)</p> Signup and view all the answers

What is the difference between eukaryotic and prokaryotic mRNA?

<p>Eukaryotic mRNA is monocistronic, while prokaryotic mRNA is polycistronic. (A)</p> Signup and view all the answers

What is the main structural difference between eukaryotic and prokaryotic genes?

<p>Eukaryotic genes have both introns and exons, while prokaryotic genes have only exons (B)</p> Signup and view all the answers

What type of mRNA is produced by eukaryotic genes?

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

What type of mRNA is produced by prokaryotic genes?

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

What is the function of introns in eukaryotic genes?

<p>They are transcribed but removed during mRNA processing (C)</p> Signup and view all the answers

What is the function of exons in eukaryotic genes?

<p>They are transcribed and translated into proteins (B)</p> Signup and view all the answers

What is the function of introns in prokaryotic genes?

<p>They code for regulatory proteins (C)</p> Signup and view all the answers

What is the function of exons in prokaryotic genes?

<p>They are transcribed and translated into proteins (C)</p> Signup and view all the answers

What is the main difference between eukaryotic and prokaryotic mRNA?

<p>Eukaryotic mRNA is monocistronic, while prokaryotic mRNA is polycistronic (B)</p> Signup and view all the answers

What is the term for mRNA processing that removes introns from eukaryotic genes?

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

What is the term for mRNA processing that adds a poly(A) tail to the 3' end of eukaryotic mRNA?

<p>Polyadenylation (C)</p> Signup and view all the answers

What is the term for the multiple protein encoding sequences found in prokaryotic mRNA?

<p>Polycistrons (D)</p> Signup and view all the answers

What is the term for the single protein encoding sequence found in eukaryotic mRNA?

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

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