^ 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.
is a double helix where one strand coils around the other. The helix is unwound and rewound every now and then to take out its information, which requires local alteration of the helical structure, resulting in the superÂ­ coiling of DNA. For replication, all the coils must be unwound at least once, and two daughter molecules are