What is central tolerance?

How do natural killer cells recognize tumor infected cells?

Describe the 6 antibody-mediated effector functions discussed: (at least a sentence for each) a.  neutralization b. opsonization c.  agglutination d. complement fixation e. antibody-dependent cell-mediated cytotoxicity f.  degranulation

When talking about preventing autoimmunity, what is central tolerance?

Class I MHC are expressed by __________________________ cells, whereas Class II MHC are only expressed by ____________________ cells.

When talking about vaccines, what does “attenuated” mean?

Antigen presentation on the MHC – the exogenous pathway.  Is the antigen presented on MHC 1 or II?   Is the antigen presented to Tc cells or TH cells?

What are the basic steps of leukocyte extravasation? 

What is the pH of 0.432 M diethylamine (C2H5)2NH at 25 oC?

Determine if the following statements are correct regarding the graph of rate data above? The half-life, t1/2, is independent of the initial concentration The rate constant, k, would have units of M-1 s-1  Doubling the concentration of A would not change the rate of the reaction.