Here's how it works:
* DNA contains genes: Genes are specific segments of DNA that hold the instructions for building a particular protein.
* Genes are transcribed into RNA: The information in a gene is copied into a messenger RNA (mRNA) molecule.
* mRNA is translated into protein: The mRNA molecule travels to ribosomes, where it directs the assembly of amino acids into a protein.
So, DNA holds the blueprint for making proteins, and the instructions are passed down through the process of transcription and translation.