What is transcription?
Q: What is transcription?
A: Transcription is the process of making a matching RNA strand from a DNA sequence using an enzyme called RNA polymerase.
Q: What does the matching RNA strand created by transcription become?
A: The matching RNA strand created by transcription becomes a 'pre-messenger RNA'.
Q: What happens to the pre-messenger RNA after it is made?
A: After it is made, the non-coding introns are stripped out of the pre-messenger RNA by a spliceosome and then the remaining exons are put together to make messenger RNA (mRNA).
Q: What does mRNA do?
A: Messenger RNA (mRNA) carries a genetic message from the DNA to the protein-making machinery of the cell. It takes this message in order for genes to be expressed.
Q: What is a transcription unit?
A: A transcription unit is a stretch of DNA that is transcribed into an mRNA molecule. It contains sequences which regulate protein synthesis, sequences which do not code (introns), and sequences which do code for amino acid sequences in proteins (exons).
Q: Which DNA strand does mRNA read from during transcription?
A: During transcription, mRNA reads from one of two strands of DNA called the template strand because it provides the template for ordering nucleotides in an mRNA transcript. The other strand is called coding strand and its sequence matches that of newly created mRNA transcript except with thymine substituted for uracil.
Q: Who won Nobel Prize in Chemistry 2006 related to eukaryotic transcription?
A: Roger D. Kornberg won Nobel Prize in Chemistry 2006 related to eukaryotic transcription.
