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Cannibalistic behavior can be seen in which two farm species? 

What is a castrated ovine called?

What is not a component of an effective biosecurity system?

What is an adjective for horses?

Which hypersensitivity reaction involves the activation of mast cells?

Somatic hypermutation occurs in which specific anatomical region?

What molecule on the surface of most T cells recognizes antigen?

Which type of T cell inhibits inflammation?

This molecule expressed on the surface of lymphocytes commits them to the T cell lineage.

Negative selection of T cells occurs due to __________ interaction with MHC molecules.