Achild who is being evaluated for an immune deficiency fails to make antibody to tetanus toxoid or pneumococcal vaccine, but shows normal cell-mediated immunity as indicated by a positive skin test (swelling and redness) to a commonly encountered environmental antigen. this child has an abnormality of which cell lineage? think in: cellular immunity vs humoral immunity

The answer is B cell lineage. There two stages of B cells Lineage first is the early pro b cell -D and J rearrangement and the late Pro B cell - V-DJ rearrangement. These rearrangements refer to the Heavy chain and activation of KIT causes the B-cell to proliferate.

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

b. read the phase at the intersection of any given temperature and pressure.