#Question id: 1631
#Section 2: General Biology
Specific antibodies are readily detectable in serum following primary contact with antigen after:
#Question id: 1632
#Section 2: General Biology
A single plasma cell secretes:
#Question id: 1633
#Section 2: General Biology
Immunological memory can be transferred experimentally by:
#Question id: 1634
#Section 2: General Biology
What is the main reason an experimental animal treated with X-rays can act as a living test tube for lymphocyte transfer experiments?
#Question id: 1635
#Section 2: General Biology
What is immunological unresponsiveness to self-antigens called?
#Question id: 1637
#Section 2: General Biology
Protective antibodies against infectious agents are often: