The antigen-binding fragments (Fab) of antibodies are
A) located in the arm tips of the antibody molecule
B) located in the tail portion of the antibody molecule
C) unique for each antibody so that each antibody can interact only with an antigen that specifically matches it
D) located in the arm tips of the antibody molecule, and are unique for each antibody so that each antibody can interact only with an antigen that specifically matches it
E) located in the tail portion of the antibody molecule, and are unique for each antibody so that each antibody can interact only with an antigen that specifically matches it
Correct Answer:
Verified
Q41: Passive immunity is accomplished by transfer of
Q42: Which of the following is not secreted
Q42: Lymphocytes respond only to antigens that have
Q46: _ T cells release perforin.
A)Cytotoxic
B)Helper
C)Suppressor
D)Regulatory
E)Inhibitory
Q47: A secondary response to an invading microorganism
Q48: Dendritic cells
A) are neurons
B) participate in the
Q49: Chemicals other than antibodies secreted by lymphocytes
Q50: Which statement is incorrect?
A) Cytotoxic T cells
Q54: Active immunity
A)is self-generated upon exposure to antigen
B)can
Q57: Which statement does not apply to macrophages?
A)They
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