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Questions and Answers
Which type of RNA is produced when a segment of DNA encodes proteins?
Which type of RNA is produced when a segment of DNA encodes proteins?
- Non-coding RNA (ncRNA)
- Ribosomal RNA (rRNA)
- Messenger RNA (mRNA) (correct)
- Transfer RNA (tRNA)
Which percentage of the human genome can be transcribed into mRNA?
Which percentage of the human genome can be transcribed into mRNA?
- Around 20%
- Approximately 50%
- More than 80%
- Less than 2% (correct)
What is the role of RNA polymerase during transcription?
What is the role of RNA polymerase during transcription?
- It binds to promoter DNA and initiates translation
- It produces proteins encoded by DNA
- It reads the DNA sequence and produces a complementary RNA strand (correct)
- It copies the RNA sequence into DNA
What is the main function of non-coding RNAs (ncRNAs)?
What is the main function of non-coding RNAs (ncRNAs)?
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What is the approximate percentage of mammalian genomic DNA that can be actively transcribed?
What is the approximate percentage of mammalian genomic DNA that can be actively transcribed?
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Which molecule is produced when a segment of DNA is transcribed?
Which molecule is produced when a segment of DNA is transcribed?
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What is the percentage of mRNA in total RNA samples?
What is the percentage of mRNA in total RNA samples?
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What is the primary function of non-coding RNAs (ncRNAs)?
What is the primary function of non-coding RNAs (ncRNAs)?
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What is the role of RNA polymerase during transcription?
What is the role of RNA polymerase during transcription?
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What percentage of mammalian genomic DNA can be actively transcribed?
What percentage of mammalian genomic DNA can be actively transcribed?
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