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There are three types of non-genetic RNA:

  1. Messenger RNA(m-RNA)
  2. Ribosomal RNA(r-RNA)
  3. Transfer RNA(t-RNA)

Some of their properties and functions are listed in the table given below:

Type

% of total cellular RNA

Molecular Weight

Other name

Function

m-RNA

3-5%

5,00,000

Informational RNA

Transfers genetic information from genes to ribosomes to synthesize proteins

r-RNA

80%

40,000 to million

Stable or Insoluble RNA

Provides structural framework for ribosomes

t-RNA

10-20%

23,000 - 30,000

Soluble RNA

Transfers amino-acids to m-RNA for protein biosynthesis

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