Question

Write a note on m-RNA.

Answer 1

Messenger RNA (mRNA) is a large family of RNA molecules that convey genetic information from DNA to the ribosome, where they specify the amino acid sequence of the protein products of gene expression. RNA polymerase transcribes primary transcriptmRNA (known as pre-mRNA) into processed, mature mRNA. This mature mRNA is then translated into a polymer of amino acids: a protein, as summarized in the central dogma of molecular biology.


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Answer 2

Dear Student,

● m-RNA -

• Full form - messenger RNA. It is type of non-genetic RNA.
• It acts as messenger to direct amino acids to proteins.
• It has instructions for making a protein from gene.
• Triplet of m-RNA nucleotide bases coding for a gene is called codon.
• Average size of m-RNA is 1000 ntds to 2000 ntds with molecular weight of 30000 dal.

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