Podcast
Questions and Answers
What is the primary role of introns in eukaryotic genes?
What is the primary role of introns in eukaryotic genes?
- They code for proteins.
- They are regulatory sequences.
- They are non-coding regions that are removed during RNA processing. (correct)
- They enhance transcription.
What is the first step in the process of gene expression?
What is the first step in the process of gene expression?
- RNA splicing
- Translation
- Transcription (correct)
- RNA processing
Which technique was pivotal in discovering the existence of split genes?
Which technique was pivotal in discovering the existence of split genes?
- Gel electrophoresis
- R-loop analysis (correct)
- Northern blotting
- Western blotting
Which of the following statements about group I introns is true?
Which of the following statements about group I introns is true?
In R-loop analysis, what does a single displaced loop of ssDNA indicate?
In R-loop analysis, what does a single displaced loop of ssDNA indicate?
What role does the 5' splice site play in RNA splicing?
What role does the 5' splice site play in RNA splicing?
What are exons?
What are exons?
How does the presence of an extra G at the 5' end of an intron influence splicing?
How does the presence of an extra G at the 5' end of an intron influence splicing?
What is a characteristic feature of group II introns?
What is a characteristic feature of group II introns?
What is the function of splicing factors in spliceosome-dependent splicing?
What is the function of splicing factors in spliceosome-dependent splicing?
What is the role of the spliceosome in RNA splicing?
What is the role of the spliceosome in RNA splicing?
What does the term "alternative splicing" refer to?
What does the term "alternative splicing" refer to?
Which of the following components is NOT part of the spliceosome?
Which of the following components is NOT part of the spliceosome?
What is the significance of the branch site in group II introns?
What is the significance of the branch site in group II introns?
Which type of intron is characterized by the requirement of ATP and a splicing endonuclease for its removal?
Which type of intron is characterized by the requirement of ATP and a splicing endonuclease for its removal?
In the context of intron evolution, what does the "intron early hypothesis" suggest?
In the context of intron evolution, what does the "intron early hypothesis" suggest?
In the splicing mechanism of group II introns, what does the 2'-OH of the branch site adenosine do?
In the splicing mechanism of group II introns, what does the 2'-OH of the branch site adenosine do?
What is the main difference between group I and group II introns?
What is the main difference between group I and group II introns?
What is the primary consequence of spliceosome-mediated splicing for eukaryotic cells?
What is the primary consequence of spliceosome-mediated splicing for eukaryotic cells?
Which of the following is a characteristic of spliceosomal introns?
Which of the following is a characteristic of spliceosomal introns?
Which of the following best describes transesterification in RNA splicing?
Which of the following best describes transesterification in RNA splicing?
What is the role of the phosphorylated C-terminal domain of RNA polymerase II in splicing?
What is the role of the phosphorylated C-terminal domain of RNA polymerase II in splicing?
Which of the following mechanisms allows for the generation of multiple protein isoforms from a single gene?
Which of the following mechanisms allows for the generation of multiple protein isoforms from a single gene?
What is the purpose of the R-loop analysis technique?
What is the purpose of the R-loop analysis technique?
Which type of RNA is primarily involved in the splicing of introns in spliceosome-dependent splicing?
Which type of RNA is primarily involved in the splicing of introns in spliceosome-dependent splicing?
What is the significance of the conserved features found in introns?
What is the significance of the conserved features found in introns?
In the context of intron evolution, what is meant by the "intron late hypothesis"?
In the context of intron evolution, what is meant by the "intron late hypothesis"?
Flashcards
Capital of France (example flashcard)
Capital of France (example flashcard)
Paris
