Which is incorrect about the Fc region of an immunoglobulin?
A) It determines the antibody's distribution in the body.
B) It forms the antigen binding sites.
C) It contains an effector molecule that can bind to cells such as macrophages and mast cells.
D) It contains an effector molecule that can fix complement.
E) It determines the class to which the immunoglobulin belongs.
Correct Answer:
Verified
Q3: Plasma cells
A)secrete antibodies.
B)function in allergic reactions.
C)directly destroy
Q4: Class II MHC genes code for
A)certain secreted
Q5: Cell surface markers involved in immune reactions
A)are
Q6: Helper T-cells
A)secrete antibodies.
B)function in allergic reactions.
C)directly destroy
Q7: The bone marrow is where
A)immune responses to
Q9: Lymphocytes
A)possess MHC antigens for recognizing self.
B)have membrane
Q10: Class I MHC genes code for
A)certain secreted
Q11: Lymphocyte maturation involves
A)hormonal signals that initiate development.
B)B-cells
Q12: Antigen presenting cells
A)include dendritic cells.
B)include macrophages.
C)engulf and
Q13: Small foreign molecules that are too small
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