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The similarities & differences between mrna & trna

Updated April 17, 2017

Ribonucleic acids (RNA) are broken down into three categories rRNA, mRNA, and tRNA. Transfer RNA (tRNA) acts as a connection between rRNA and mRNA. It translates the mRNA after it has moved into the cytoplasm. Messenger RNA (mRNA) connects proteins with genes after transcription.

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All individual chains of mRNA carry the format for amino acids to make peptide chains so they can then create proteins. The tRNA is what translates the RNA into proteins.


Both mRNA and tRNA are forms of RNA that have single strands. They are each critical elements of polypeptide synthesis.They also are both formed through the process of complementary base pairing.


Messenger RNA carries information, whereas tRNA does not carry any structural information. Messenger RNA is composed of several codons and tRNA has one anticodon, that is the exact opposite of the mRNA codons. Transfer RNA carries amino acids to the ribosomes and mRNA doesn't carry any amino acids.

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About the Author

Lina Schofield

Lina Schofield began writing professionally in 2005. She is a professional freelance writer who has worked on a variety of projects, including the founding of the quarterly publication "Propaganda." Schofield also has been published in several student collections. She received her Bachelor of Arts in English at University of Wales Trinity Carmarthen.

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