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Types of RNA

Types of RNA

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This lesson will introduce the three types of RNA and describe how they are used within a cell.
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Tutorial

RNA is a type of genetic material responsible for the synthesis of proteins in the cell. Protein synthesis takes place in the cellular organelle called ribosomes. There are three types of RNA  that assist in the synthesis of proteins and they are mRNA, tRNA and rRNA.

 

mRNA: messenger RNA: carries the genetic information from the nucleus of the cell to the ribosomes. The coding sequence of the messenger RNA determines what amino acids are produced and therefore what type of protein is produced.

 

rRNA: ribosomal RNA:  Part of the ribosome that acts as a catalyst to move mRNA along so that amino acids can be put in place to build the proteins. rRNA is involved in the process of translation (one of the steps of proteins synthesis)

 

tRNA: transfer RNA: reads the codon and carries the corresponding amino acid to the chain to build the protein