10 Questions
What are the three promoter elements critical for promoter recognition in Archaea?
The initiator element (INIT), the TATA box, and the B recognition element (BRE)
Which protein binds to both BRE and INIT?
Transcription factor B (TFB)
What is formed after splicing occurs in eukaryotes?
Mature RNAs for translation
Which process occurs in the nucleus via the spliceosome in eukaryotes?
Splicing
What is the function of the spliceosome in eukaryotes?
The removal of introns and joining of exons
What is the function of the TATA-binding protein (TBP) in Archaea?
Binding to the TATA box
What are the two unique eukaryotic mRNA processing steps?
Addition of methylated guanine to the 5′ end of mRNA and addition of 100–200 adenylate residues to stabilize mRNA
Which elements are found in the noncoding regions of eukaryotic genes?
Intervening noncoding sequences (introns)
What protein binds to the RNA polymerase once both TBP and TFB are in place in Archaea?
RNA polymerase
What role do introns play in eukaryotic genes?
They are intervening noncoding sequences found in the noncoding regions of eukaryotic genes
Explore the fundamental concepts of gene expression, including transcription, replication, and translation in eukaryotes and prokaryotes. Learn about the structure and function of chromosomes in different organisms, from bacteria to eukaryotes.
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