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B cell activation pathway showing naive B cell, helper T cell, and antibodies, antigen signals drive clonal expansion to memory and plasma cells. Outline diagram
Health effects of PFAS include liver damage, thyroid disease, and cancer risks. Outline diagram
Botulinum toxin mechanism illustration shows a nerve terminal blocking acetylcholine release, key objects, synaptic vesicles, SNARE proteins, ACh receptor. Outline diagram
Antibody explained, Y-shaped protein binds antigen to neutralize a virus, showing structure and binding sites. Key objects, antibody, antigen, pathogen. Outline diagram
B lymphocyte activation shown as stepwise immune response, B cell binds antigen, receives T helper signals, differentiates to plasma cell producing antibodies. Outline diagram