Which of the Following Statements Accurately Describes Antibodies

question 38

Multiple Choice

Which of the following statements accurately describes antibodies?

• A) Kappa and lambda are the two types of immunoglobulin heavy chains.
• B) Genes coding for antibody constant regions undergo somatic recombination to generate diversity.
• C) Antigens are always proteins that are exposed on the surface of foreign invaders.
• D) Antigen-binding sites are located at the tips of the two arms of the Y-shaped antibody.
• E) The variable region segments (V genes) are only subjected to somatic recombination to contribute to different antigen recognition as they come in direct contact with antigens.

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