Transcription and RNA

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5 Questions

What percentage of total RNA samples does mRNA typically comprise?

1-3%

Which enzyme is responsible for the process of transcription?

RNA polymerase

What type of RNA is produced when a segment of DNA can encode proteins?

mRNA

What percentage of the human genome can be transcribed into mRNA?

Less than 2%

What is the majority of the 80% of mammalian genomic DNA that can be actively transcribed?

ncRNA

Study Notes

RNA Composition

  • mRNA typically comprises around 5% of total RNA samples.

Transcription Process

  • The enzyme responsible for the process of transcription is RNA polymerase.

Types of RNA

  • When a segment of DNA can encode proteins, messenger RNA (mRNA) is produced.

Human Genome

  • Only around 1-2% of the human genome can be transcribed into mRNA.

Mammalian Genomic DNA

  • The majority of the 80% of mammalian genomic DNA that can be actively transcribed is non-coding RNA, which does not code for proteins.

Test your knowledge on transcription and RNA molecules with this quiz! Learn about the different types of RNA, including messenger RNA (mRNA) and non-coding RNAs (ncRNAs). Discover fascinating facts about the percentage of mRNA in total RNA samples and the human genome.

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