Which of the following statements is true about affinity?
a. Is the sum of all attractive forces between antigens and antibodies
b. Refers to the binding of one or more antigen-binding sites on an antibody to more than one antigenic determinant on a single carrier
c. Refers to the initial force of attraction between one binding site on an antibody molecule and a single epitope of the corresponding antigen
d. Results in increased stability of a reaction
Answer: c
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Indicate whether the statement is true or false.