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Water is the only substance found naturally in all three states on Earth's surface.
Did you know?
Water is the only substance found naturally in all three states on Earth's surface.
What is the role of RNA polymerase III in the process of transcription in eukaryotes?
Transcribes rRNAs (28S, 18S, and 5.8S)
Transcribes tRNA, 5s rRNA, and snRNA
Transcribes precursor of mRNA
Transcribes only snRNAs
To solve this problem, we need to understand the specific role of RNA polymerase III in eukaryotic transcription.Let's analyze the options:Option 1: Transcribes rRNAs (28S, 18S, and 5.8S) - This is incorrect because RNA polymerase I is responsible for transcribing the larger rRNA components (28S, 18S, and 5.8S).Option 2: Transcribes tRNA, 5S rRNA, and snRNA - This is correct. RNA polymerase III is responsible for transcribing tRNA, 5S rRNA, and some small nuclear RNAs (snRNA).Option 3: Transcribes precursor of mRNA - This is incorrect because RNA polymerase II transcribes the precursor of mRNA (pre-mRNA).Option 4: Transcribes only snRNAs - This is incorrect because RNA polymerase III transcribes more than just snRNAs; it also transcribes tRNA and 5S rRNA.Therefore, the correct option is Option 2: Transcribes tRNA, 5S rRNA, and snRNA.
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