Demosthenes had five triremes and their complements of soldiers as a garrison, and was reinforced by 40 hoplites from a Messenian ship that happened to stop at Pylos.
Individual codons code for specific amino acids. A gene is a sequence of nucleotides along a DNA strand-with 'start' and 'stop' codons and other regulatory elements-that specifies a sequence of amino acids that are linked together to form a protein.
The Phenomenon of alpha-Complementation in E. coli Cloning Systems. The E. coli enzyme beta-galactosidase is a homo-tetramer of the protein product of the lacZ gene. Certain mutations in the 5' region of lacZ prevent subunit association.