Which Statement About Antigen-Binding Sites in Antibodies Is False

question 56

Multiple Choice

Which statement about antigen-binding sites in antibodies is false?

• A)An antigen-binding site on an IgG is formed by the amino-terminal ~110 amino acids of a light chain and the amino terminal ~110 amino acids of a heavy chain.
• B)An antigen-binding site on an IgG is formed by the variable region of a light chain and the variable region of a heavy chain.
• C)The antigen-binding site is composed of two Ig folds.
• D)Antigen-binding specificity is determined by the sequences of the hypervariable sequences in both the light chain and the heavy chain.
• E)Antigen binding specificity is determined exclusively by the sequences in the carboxy-terminal ~110 amino acids in the light chain and the heavy chain.

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Definitions:

Multiply

The operation of finding the total of one number repeated a certain number of times.

Free-Falling Object

An object that is under the influence of gravity only, with no other forces acting on it.

Indicated Operations

The specific mathematical operations (addition, subtraction, multiplication, division) directed to be performed in an expression or equation as denoted by symbols or operation words.

FOIL Method

A technique used to multiply two binomials, standing for First, Outer, Inner, Last.