1 In biology, double helix is a term used to describe the structure of DNA. A DNA double helix consists of two spiral chains of deoxyribonucleic acid. The shape is similar to that of spiral staircase. DNA is a nucleic acid composed of nitrogenous bases (adenine, cytosine, guanine and thymine), a five-carbon sugar (deoxyribose), and phosphate molecules.
PA Power & Light (PP&L)------------------------------ 800-342-5775. UGI Utilities, Inc. (Gas)----------------------------------- 717-270-2545. Verizon (telephone)-------------------------------------- 800-483-4600. South Hanover Township Historical Society--- 717-566-8929.
As of January 1, 2015, all individuals permanently residing in East Hanover Township, Dauphin County receive emergency services member benefits with South Central EMS. Listed below are some of the key highlights of this service as funded by the East Hanover Township Board of Supervisors.