Yes, human cells contain RNA. They are the genetic messenger along with DNA. The three main types of RNAs are:
- Ribosomal RNA (rRNA) – present associated with ribosomes. It has a structural and catalytic role to play in protein synthesis.
- Transfer RNA (tRNA) – it acts as an adapter molecule in protein synthesis. It reads the amino acid code present in the mRNA template and brings the amino acid to be added to the growing polypeptide chain.
- Messenger RNA (mRNA) – it transfers the genetic information present in DNA to proteins. It acts as a template for protein synthesis.
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