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.
9. All genes with sufficient sequence similarity to have evolved from a common ancestor anywhere in evolutionary time are ________, while ________ are genes in different species that arose from the same gene in a very recent ancestor of the two species and ________ arise by duplication events within the same species.