Respuesta :
RNA polymerase enzyme is used specifically for RNA transcription from DNA in the nucleus of a cell
Further Explanation:
DNA transcription process helps in the formation of RNA. This process leads to DNA unwinding and opens it to expose the bases present on each strand. One strand of DNA double helix is work as a template for the production of RNA strand. The ribonucleotide is linked covalently to new forming RNA chain.
The main enzyme that helps in performing transcription process is RNA polymerase. This RNA polymerase enzyme helps in catalyzing the formation of phosphodiester bond. These bond links nucleotide altogether to make a linear chain. This enzyme moves stepwise with the DNA, unwinds the DNA helix and exposes the active site on the template strand for the process of polymerization by complementary base pairing. Thus, through this, the newly formed RNA chain is elongated in 5′-to-3′ direction by adding only one nucleotide at a time.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Nucleic acid
Keywords:
RNA, DNA, enzyme, polymerase, DNA helix, direction, unwinding, polymerization, active site, template strand, nucleotide, catalyze, linear chain.
