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Choose one of the options below to complete this statement. A B lymphocyte becom

ID: 28370 • Letter: C

Question

Choose one of the options below to complete this statement. A B lymphocyte becomes activated when it encounters two factors in combination: A. MHC class I markers and cytokines that have been secreted by helper T lymphocytes. B. MHC class II markers and the appropriate viral antigen. C. MHC class I markers and the appropriate viral antigen. D. MHC class II markers and cytokines that have been secreted by helper T lymphocytes. E. cytokines that have been secreted by helper T lymphocytes and the appropriate viral antigen.

Explanation / Answer

E. cytokines that have been secreted by helper T lymphocytes and the appropriate viral antigen.