The Complementarity-Determining Regions (CDR) of Human Immunoglobulin G

question 6

Multiple Choice

The complementarity-determining regions (CDR) of human immunoglobulin G

• A) are common to the general structure of all immunoglobulin domains.
• B) consist of short segments of highly variable amino acid sequence.
• C) form covalent complexes with antigens.
• D) have been identified only on the light chain polypeptides.
• E) participate in the binding of these proteins to cell surface receptors.

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