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Questions and Answers
What is the primary function of RNA interference in regulating gene expression?
What is the primary function of RNA interference in regulating gene expression?
- To transcribe DNA into RNA
- To control the life span of many mRNAs (correct)
- To initiate translation of mRNA
- To synthesize proteins from RNA
What is the result of alternative splicing in eukaryotic cells?
What is the result of alternative splicing in eukaryotic cells?
- Inhibition of gene expression
- Enhancement of protein synthesis
- Production of a single mature mRNA from a gene
- Production of multiple mature mRNAs from the same gene (correct)
What is the role of microRNA in RNA interference?
What is the role of microRNA in RNA interference?
- To regulate the expression of endogenous mRNAs (correct)
- To transcribe DNA into RNA
- To regulate the expression of exogenous mRNAs
- To synthesize proteins from RNA
How do small RNAs recognize and bind to target mRNAs?
How do small RNAs recognize and bind to target mRNAs?
What is the main difference between siRNAs and miRNAs?
What is the main difference between siRNAs and miRNAs?
What is the primary mechanism of mRNA stability in eukaryotic cells?
What is the primary mechanism of mRNA stability in eukaryotic cells?
What is a major reason for the increased complexity of gene expression regulation in eukaryotes compared to prokaryotes?
What is a major reason for the increased complexity of gene expression regulation in eukaryotes compared to prokaryotes?
How do cell-type specific genes get activated in a multicellular organism?
How do cell-type specific genes get activated in a multicellular organism?
What level of gene expression regulation is unique to eukaryotes?
What level of gene expression regulation is unique to eukaryotes?
What is NOT a level of gene expression regulation in eukaryotes?
What is NOT a level of gene expression regulation in eukaryotes?
Which of the following is NOT an additional level of control in eukaryotes?
Which of the following is NOT an additional level of control in eukaryotes?
What is responsible for forming specialized cell types in multicellular organisms?
What is responsible for forming specialized cell types in multicellular organisms?
What is the default state of a gene in eukaryotes?
What is the default state of a gene in eukaryotes?
What is the result of chromatin remodeling in transcription initiation?
What is the result of chromatin remodeling in transcription initiation?
What is alternative splicing?
What is alternative splicing?
What is the result of alternative splicing in the Tropomyosin gene?
What is the result of alternative splicing in the Tropomyosin gene?
What happens to introns during alternative splicing?
What happens to introns during alternative splicing?
What is the significance of alternative splicing in gene expression control?
What is the significance of alternative splicing in gene expression control?
What is the primary function of chromatin remodeling in gene expression?
What is the primary function of chromatin remodeling in gene expression?
Which of the following is a post-transcriptional control mechanism?
Which of the following is a post-transcriptional control mechanism?
What is the primary function of euchromatin in the regulation of gene expression?
What is the primary function of euchromatin in the regulation of gene expression?
What is the typical structure of chromatin?
What is the typical structure of chromatin?
What is the primary function of histone proteins in chromatin structure?
What is the primary function of histone proteins in chromatin structure?
What is the primary difference between heterochromatin and euchromatin?
What is the primary difference between heterochromatin and euchromatin?
What is the primary mechanism by which chromatin structure provides a mechanism of negative control in eukaryotes?
What is the primary mechanism by which chromatin structure provides a mechanism of negative control in eukaryotes?
In eukaryotes, what is the primary role of post-transcriptional control?
In eukaryotes, what is the primary role of post-transcriptional control?
What is the primary advantage of coordinated transcription in eukaryotes?
What is the primary advantage of coordinated transcription in eukaryotes?
What is the primary difference between transcriptional control and post-transcriptional control?
What is the primary difference between transcriptional control and post-transcriptional control?
What is the primary function of alternative splicing in eukaryotes?
What is the primary function of alternative splicing in eukaryotes?
What is the primary role of chromatin remodeling in eukaryotic gene expression?
What is the primary role of chromatin remodeling in eukaryotic gene expression?
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