Here's how it works:

1. DNA contains the genetic code: DNA holds the blueprint for all the proteins a cell needs. This blueprint is encoded in the sequence of its four nucleotide bases (Adenine, Thymine, Cytosine, and Guanine).

2. Transcription: The process of copying the DNA sequence into an RNA molecule (messenger RNA or mRNA) is called transcription. This happens in the nucleus of the cell.

3. Translation: The mRNA then travels out of the nucleus to the ribosomes, where the process of translation occurs. Ribosomes read the mRNA sequence and use it as a template to assemble amino acids into a protein chain.

Think of it like this:

* DNA is the master blueprint stored in a safe (the nucleus).

* RNA is a copy of the blueprint that is taken out of the safe and used to build the actual product (the protein).

So, RNA doesn't create its own instructions; it receives them directly from the DNA blueprint.