Concept:Clonal expansion and specificity of monoclonal antibody synthesis.
Solution:Monoclonal antibodies are identical immunoglobulins produced by a single clone of B-lymphocytes or hybridoma cells. Because they originate from genetically identical parent cells, they possess identical antigen-binding specificity and structure.
Why other options are incorrect:- Therapeutic proteins: Broad medical classification including recombinant hormones, clotting factors, and enzymes, not limited to single immune cell clones.
- Immunoglobulins: Broad umbrella term for all antibody molecules, including polyclonal mixtures secreted by diverse plasma cell lineages.
- Recombinant proteins: Any protein expressed from recombinant DNA technology in host expression systems.
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