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 structural gene, Z, codes for-galactosidase which is primarily responsible for the hydrolysis of lactose into its monomeric units, galactose and glucose. The Y gene codes for the enzyme lac permease which functions specifically in the transport of lactose into the bacterial cell.