As in DNA, genetic information in mRNA is contained in the sequence of nucleotides, which are arranged into codons consisting of three ribonucleotides each.
ເຊັ່ນດຽວກັບໃນ DNA, ຂໍ້ມູນທາງ ພັນທຸ ກໍາ ໃນ mRNA ແມ່ນບັນຈຸຢູ່ໃນ ລໍາດັບຂອງ nucleotides ເຊິ່ງຈັດເຂົ້າໃນ codons ທີ່ແຕ່ລະອັນປະກອບດ້ວຍສາມ ribonucleotides.