What is Ribonucleic acid or RNA – Definition?

RNA stands for Ribonucleic acid.

Ribonucleic acid or RNA is a single-stranded nucleic acid. It is a polymer with ribonucleotides or ribotides as monomers.

Where RNA occurs? – Occurrence of RNA

  • Occur chiefly in cytoplasm and nucleolus
  • Occurs in cytoplasm in free state and within ribosomes
  • Also found in mitochondria, chloroplast and eukaryotic chromosomes

What are types of ribonucleic acid (RNA)?

Ribonucleic acid (RNA) can be classified into two types

  • Non-genetic RNA
  • Genetic RNA
    • Viral RNA
    • Mitochondrial RNA

Structure – Molecular structure – Chemical composition of RNA

For details on this topic visit the page Chemical composition and Molecular structure of RNA.

Functions (Uses) of RNA

To know what are the various functions that RNAs perform visit the page Functions of RNA. This page gives types of RNA and functions performed by them.

How RNA is synthesized?

To know this visit the page RNA synthesis and processing. This page gives steps involved in RNA synthesis, its processing and location of RNA synthesis.

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