All of the following are true about the structure of DNA except A. strands of DNA are contained inside the nucleus of the cell B. every DNA nucleotide contains a sugar, phosphate, and a base C. DNA consists of three strands of nucleotides joined by hydrogen bonds D. the long strands of nucleotides are twisted into a double helix

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

idk im sorry.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.