61 codons specify one of the 20 amino acids that make up proteins 3 codons are stop codons, which signal the termination of protein synthesis Importantly, the genetic code is nearly universal, shared ...
DNA is admired for its perfection as a programmable information molecule: it uses repeating polymerization chemistry to link four nucleotide building blocks (adenine, cytosine, guanine, and thymine) ...
Scientists created a synthetic genome for a bacterium by stringing together building blocks of DNA — and the new genome made the microbe immune to viral infection. "Our understanding of the genetic ...