The current cost for DNA synthesis is less than $0.1 per nucleotide pair. In step 2, the gene fragment is integrated into a circular piece of DNA, called a plasmid, which is the main delivery vehicle ...
So how does protein synthesis make hair? If you've looked at the activity (or even the text version of the activity), you know how a section of DNA instructs a cell how to make a protein.
Test-tube synthesis of the double helix that controls heredity climaxes a half-century of effort by biochemists to re-create biologically active giant molecules outside the living cell ...