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DevinIntrons are intervening DNA sequences that are transcribed but then removed from the pre-mRNA during RNA processing. This process, called splicing, results in the mature mRNA containing only the exons which are the coding sequences that are retained and translated into proteins.
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Are introns transcribed during the process of gene expression?
Yes, introns are transcribed along with exons during the process of gene expression, but they are later removed from the mRNA through a process called splicing before the final mRNA is translated into a protein.
What are non-coding sequences in pre-mRNA called?
Non-coding sequences in pre-mRNA are called introns. These regions are removed during mRNA processing, and the remaining coding sequences, known as exons, are spliced together to form the mature mRNA that is translated into protein.
What are the sense portions of a pre-mRNA strand made in transcription called?
The sense portions of a pre-mRNA strand made in transcription are called exons. Exons contain the coding sequences that will be eventually translated into proteins. Non-coding sequences within the pre-mRNA, called introns, are removed during RNA processing to produce the mature mRNA molecule.
How do genes code with ATCG?
Genes code for proteins through a process called transcription, where the DNA sequence is transcribed into RNA. The DNA sequence consisting of adenine (A), thymine (T), cytosine (C), and guanine (G) is transcribed into RNA with U (uracil) replacing T. This RNA is then translated into proteins using the genetic code, where specific three-letter sequences (codons) correspond to specific amino acids.
What are the intervening sequence of RNA molecules that are cut out before the messenger RNA leaves the nucleus?
The intervening sequences of RNA molecules that are cut out before the messenger RNA leaves the nucleus are called introns. These introns are non-coding sequences that are spliced out of the pre-mRNA during the process of RNA splicing, leaving only the exons to form the mature mRNA that is then transported to the cytoplasm for translation.
