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.
Long chains of nucleotides are called nucleic acids. Two types of nucleic acids are found in organisms: deoxyribonucleic acid and ribonucleic acid. DNA consists of two nucleotide chains bonded to and wrapped around one another in a twisted ladder shape called a double helix.