Question

name the process in which unwanted mRNA regions are removed and unwanted regions are joined

Answer 1

The genes in DNA encode protein molecules, which are the "workhorses" of the cell, carrying out all the functions necessary for life. For example, enzymes, including those that metabolize nutrients and synthesize new cellular constituents, as well as DNA polymerases and other enzymes that make copies of DNA during cell division, are all proteins.

In the simplest sense, expressing a gene means manufacturing its corresponding protein, and this multilayered process has two major steps. In the first step, the information in DNA is transferred to a messenger RNA(mRNA) molecule by way of a process called transcription. During transcription, the DNA of a gene serves as a template for complementarybase-pairing, and an enzyme called RNA polymerase II catalyzes the formation of a pre-mRNA molecule, which is then processed to form mature mRNA .
The resulting mRNA is a single-stranded copy of the gene, which next must be translated into a protein molecule.
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Answer 2

Answer:

Explanation:Splicing, in short;primary transcripts are subjected to a process called splicing where the introns are removed and exons are joined in a defined order. Splicing, it is the process in which unwanted mRNA regions are removed and wanted regions are joined.