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Asked Oct 14, 2019
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 I still do not understand why the number of coding regions are 6 based on the R-loop.

R-loop
b RNA
Coding region of
DNA
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R-loop b RNA Coding region of DNA

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Step 1

An R-loop is nucleic acid structure, which contains three strands. It is made up of RNA-DNA hybrid and one non-template single strand of DNA. In vitro, R-loops are formed by the hybridization of mature mRNA and ds DNA, resulting in the formation of RNA-DNA hybrid. In such cases, introns from an ss loop because they cannot complement with mRNA sequence.

Step 2

Introns are the non-coding part and are spliced out of the DNA and pre-mRNA. While exons are the coding part and move out of the nucleus to the cytosol to synthesize proteins. They are found in DNA and mature mRNA. Exons contain the codons for protein synthesis. Codons are the codes for the amino acids. A codon is made up of three nucleotides and codes only for one amino ...

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R-loop b RNA Codon 1 Codon 2 d Coding region of Codon 6 DNA Codon 4 Codon 3 Codon 5

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