Podcast
Questions and Answers
What is the function of the long C-terminal tail of RNA polymerase II in eukaryotic mRNA processing?
What is the function of the long C-terminal tail of RNA polymerase II in eukaryotic mRNA processing?
Which protein binds to the hexamer AAUAAA in eukaryotic mRNA processing?
Which protein binds to the hexamer AAUAAA in eukaryotic mRNA processing?
In eukaryotic mRNA processing, what is the role of the CA sequence?
In eukaryotic mRNA processing, what is the role of the CA sequence?
What happens when a mutation leaves a normal splice site without a partner in eukaryotic mRNA processing?
What happens when a mutation leaves a normal splice site without a partner in eukaryotic mRNA processing?
Signup and view all the answers
Which process ensures that the 3’ end of the pre-mRNA is appropriately processed by RNA polymerase II?
Which process ensures that the 3’ end of the pre-mRNA is appropriately processed by RNA polymerase II?
Signup and view all the answers
What happens when RNA polymerase II terminates transcription at the end of a gene?
What happens when RNA polymerase II terminates transcription at the end of a gene?
Signup and view all the answers
What is the role of the RNA polymerase tail in RNA splicing?
What is the role of the RNA polymerase tail in RNA splicing?
Signup and view all the answers
Which enzyme is responsible for adding a modified guanine nucleotide at the 5’ end of a new RNA molecule?
Which enzyme is responsible for adding a modified guanine nucleotide at the 5’ end of a new RNA molecule?
Signup and view all the answers
In eukaryotic mRNA processing, what is the function of a methyl transferase enzyme?
In eukaryotic mRNA processing, what is the function of a methyl transferase enzyme?
Signup and view all the answers
What happens once RNA polymerase II has produced about 25 nucleotides of RNA?
What happens once RNA polymerase II has produced about 25 nucleotides of RNA?
Signup and view all the answers
Which proteins seem to 'hop' from the polymerase tail onto the nascent RNA molecule for processing?
Which proteins seem to 'hop' from the polymerase tail onto the nascent RNA molecule for processing?
Signup and view all the answers
What can RNA polymerase II in elongation mode be viewed as?
What can RNA polymerase II in elongation mode be viewed as?
Signup and view all the answers
What modifications are made to the ends of eukaryotic mRNA?
What modifications are made to the ends of eukaryotic mRNA?
Signup and view all the answers
What is responsible for removing intron sequences from eukaryotic RNA transcripts?
What is responsible for removing intron sequences from eukaryotic RNA transcripts?
Signup and view all the answers
What is added to the RNA before transcription is completed?
What is added to the RNA before transcription is completed?
Signup and view all the answers
What type of sequences are present in eukaryotic mRNA resulting from transcription?
What type of sequences are present in eukaryotic mRNA resulting from transcription?
Signup and view all the answers
What is depicted as occurring concurrently in the RNA processing steps?
What is depicted as occurring concurrently in the RNA processing steps?
Signup and view all the answers
Which enzyme is responsible for adding the RNA cap to eukaryotic mRNA?
Which enzyme is responsible for adding the RNA cap to eukaryotic mRNA?
Signup and view all the answers