What is a vector?

The portion of the immunoglobulin molecule which determine class:

Only 5% of Kell-negative individuals will develop antibodies to Kell if exposed to the Kell antigen, whereas 50% to 70% of Rh (D) negative individuals would produce antibodies to D upon exposure. What is the reason for this?

Which of the following metabolic pathways is responsible for maintaining heme iron in the ferrous (Fe) state?

All of the following are consistent with a “shift to the right” of the hemoglobin (oxygen dissociation curve except:

Which metabolic pathway permits the accumulation of 2,3 DPG?

Which immunoglobulin is found in greatest concentration in serum?

All of the following are characteristics of a secondary immune response except:

Which of the following must be true when using the Hardy-Weinberg equation?

In an immune response, what is the time called in which no antibody is detected in test serum?