What is true about one strand of dna?
it contains many proteins.
it contains many alleles.
it contains many chromosomes.
it contains many genes.

A32-year-old woman presents for a routine gynecological exam. she has been married for 5 years and plans to start a family with her husband in the near future. her first menstrual period was at the age of 11. she is in a 28/4 cycle with no irregularities or discomfort. at age 18, she had an induced abortion and has used oral contraceptives since then. in the recto-vaginal exam, you palpate a mass on the left side. an ultrasound confirms a complex cystic tumor 6cm in diameter on the left ovary. there is no free fluid in the pelvis. there is no family history of any malignant tumors. what is your therapeutic approach?

When lifting heavy loads off the ground, the majority of the weight should be lifted by which of the following? a. arms b. legs c. back d. stomach

Which of these example of a hereditary risk factor? smoking, eating junk food everyday, being a couch potato, having fair skin that is prone to sunburn