Heather considers herself a "chocoholic." When she is having a bad day, she knows that a few bites of chocolate will always make her feel better. Which area of her brain is responsible for this effect? a. Medulla b. Somatosensory cortex c. Thalamus d. Orbitofrontal cortex

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.