Helper T (TH) cells recognize antigens when they are bound to a(n)
A) hapten.
B) immunoglobulin.
C) natural killer cell.
D) major histocompatibility complex (MHC) protein.
E) basophil.
Correct Answer:
Verified
Q51: The serum used for emergency treatment of
Q52: The majority of T cells of the
Q53: participate in both nonspecific resistance and immune
Q54: Memory T cells can live up to
A)weeks.
B)days.
C)decades.
D)years.
E)months.
Q55: Antigen-presenting cells usually display processed antigens to
Q59: All of the following can act as
Q60: Cellular (cell-mediated)immunity is effective against _.
A) allergens
B)
Q64: Autoimmune diseases are disorders in which the
Q68: Before B cells secrete antibodies,they differentiate into
Q70: _ constitutes about 80% of circulating antibodies
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