Answer:
codons
Step-by-step explanation:
an mRNA message is a series of codons . A codon is a group of three nucleotides (A, U, C, or G) that specifies a particular amino acid or a stop signal for protein synthesis. An mRNA message carries the genetic code from DNA in the cell’s nucleus to the ribosomes in the cytoplasm, where the code is translated into proteins. An mRNA message is also called a transcript or a messenger RNA molecule.