Where in the lymph node do the t cells first encounter antigens presented by dendritic cells? a. lymphoid follicles of the outer cortexb. deep in the cortexc. medullary cords in the medullad. germinal centers of the cortex

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.

Number and variety of living organism; includes genetic, species, and ecological types

Some substances but not other can cross the (blank) membrane of a cell