What is hnRNA?
Understand the Problem
The question is asking for information about hnRNA, which refers to heterogeneous nuclear RNA. This type of RNA includes the primary transcript of eukaryotic genes before splicing and modification.
Answer
Heterogeneous nuclear RNA (hnRNA) is an immature single strand of precursor mRNA found in the nucleus.
Heterogeneous nuclear RNA (hnRNA), also called precursor mRNA (pre-mRNA), is an immature, unprocessed single strand of RNA found in the nucleus.
Answer for screen readers
Heterogeneous nuclear RNA (hnRNA), also called precursor mRNA (pre-mRNA), is an immature, unprocessed single strand of RNA found in the nucleus.
More Information
hnRNA undergoes various modifications, including splicing where introns are removed, leaving behind the exons that will be translated into proteins. This process converts hnRNA into mature mRNA.
Tips
A common mistake is confusing hnRNA with mature mRNA. Remember that hnRNA includes both exons and introns before any processing.
Sources
- Heterogeneous nuclear Ribonucleic Acid (HnRNA) - Biology Online - biologyonline.com
- What is the difference between hnRNA and mRNA? - Quora - quora.com
- Heterogeneous nuclear RNA - Oxford Reference - oxfordreference.com
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