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19. Proteins



When two amino acids are lined up end-to-end, and the hooks and eyes are allowed to react together, a peptide bond forms. As more amino acids attach, a chain begins to form that has a strong but flexible backbone with side chains sticking out at regular intervals. This is protein-building in progress.

But how does the cell do this?

How does a sequence of DNA bases turn into a chain of amino acids and form a protein?