Which is true about superantigens?
A. They are a type of exotoxin.
B. They bind to MHC class II antigen on T cells.
C. They enhance specific antibody production.
D. They are processed intracellularly.
E. They are a type of exotoxin AND they bind to MHC class II antigen on T cells.
E
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Compare the functions of meiosis I and II in the overall generation of gametes
What will be an ideal response?
Cancer is ________
A) uncontrolled cell growth B) any tumor in the body C) cells with proto-oncogene activated D) what happens when cells get old
Briefly explain how the body's first line of defense against pathogens works
What will be an ideal response?