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#Question id: 1738


T-cell help for antibody production:

#XL - Q Biochemistry
  1. Depends on T-cell recognition of native antigen bound to B-cell surface Ig

  2. Depends on T-cell recognition of antigen processed by the B-cell

  3. Involves class I MHC on the B-cell

  4. Can occur in X-irradiated mice


Answer:- Option(s): 2


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