^ 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.
Confidence votes 31.1K. Its structure is two spirals interlaced; double meaning two, helix being the technical word for such a shape. DNA is known as the double helix because it coils up into chromosomes and looks like a winding staircase.