Which of the Following Statements Best Describes the Region of the Immunoglobulin

question 6

Multiple Choice

Which of the following statements best describes the region of the immunoglobulin molecule that is responsible for specific binding to the antigen?

• A)The constant regions of the heavy and light chains in the Fab fragment interact to form a specific antigen-combining site.
• B)The variable regions of the light and heavy chains in the Fab fragment interact to form a specific antigen-combining site.
• C)The constant regions of the heavy and light chains in the Fc fragment interact to form a specific antigen-combining site.
• D)The variable regions of the light and heavy chains in the Fc fragment interact to form a specific antigen-combining site.

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