An Athenian fleet had been driven ashore at Pylos by a storm, and, at the instigation of Demosthenes, the Athenian soldiers fortified the peninsula, and a small force was left there when the fleet departed again.
According to the official Guidelines for Human Gene Nomenclature, a gene is defined as a DNA segment that contributes to phenotype/function. In the absence of demonstrated function a gene may be characterized by sequence, transcription or homology.. Genes are composed of DNA, a molecule in the memorable shape of a double helix, a spiral ladder. Each rung of the spiral ladder consists of two paired chemicals called bases.
BRAINSTORM|Points 3057|User: DNA is made of nucleotides which are composed of A. a phosphate group, a sugar group and a nitrogenous base. B. a sugar group, an amino acid group and a nitrogenous base. C. a phosphate group, a starch group and a nitrogenous base. D. a protein group, a sugar group and a nitrogenous base.