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.
South Carolina Congress Of Parents And Teachers, Devon Forest Elementary in Goose Creek, South Carolina (SC) Your IP address 40.77.167.54 will be logged. South Carolina Congress Of Parents And Teachers, Devon Forest Elementary.