^ m d. In the document, Nursing: Scope and Standards of Practice, scope of practice is defined by the âwho,â âwhat,â âwhere,â âwhen,â âwhy,â and âhowâ of nursing practice, including advanced practice nursing. In addition, there are other documents relevant to specialties.
double helix. double helix. double helix. The coiled structure of double-stranded DNA in which strands linked by hydrogen bonds form a spiral configuration, with the two strands oriented in opposite directions.
Double Helix of DNA The DNA structure is a double helix that â¢ consists of two strands of nucleotides that form a double helix structure like a spiral staircase. â¢ has hydrogen bonds between the bases AâT and GâC. â¢ has bases along one strand that complement the bases along the other.