An illustration showing 3 main types of RNA and marked with the following texts:

• Messenger RNA: Carries instructions for polypeptide synthesis from nucleus to ribosomes in the cytoplasm. Ribosome
• Ribosomal RNA: Forms an important part of both subunits of the ribosome. Amino acid
• Transfer RNA: Carries amino acids to the ribosome and matches them to the coded mRNA message.