Proteins are produced by ribosomes, which are tiny organelles found in the cytoplasm of cells. Here's a more detailed explanation:

* DNA as the blueprint: The instructions for making a specific protein are encoded in a gene within your DNA.

* Transcription: The DNA sequence of the gene is copied into a messenger RNA (mRNA) molecule. This happens in the nucleus of the cell.

* Translation: The mRNA travels out of the nucleus and attaches to a ribosome. The ribosome "reads" the mRNA sequence and assembles amino acids into a chain, following the instructions encoded in the mRNA.

* Folding: The newly synthesized protein chain then folds into a specific three-dimensional shape, which determines its function.

So, while the instructions for making proteins come from DNA, the actual production is done by the ribosomes.