Examlex
If a firm's average variable cost curve is rising, its marginal cost must exceed its average variable cost.
Specific Antigens
Unique molecules or molecular structures on the surface of pathogens, cells, or tissues that trigger an immune response when detected.
B Cells
A type of white blood cell that matures in bone marrow and is involved in the production of antibodies as part of the adaptive immune response.
Bone Marrow
A soft tissue inside bones where blood cells are produced.
Lymphoid Organ
Organ other than a lymphatic vessel that is part of the lymphatic system; the lymphatic organs are the lymph nodes, tonsils, spleen, thymus gland, and bone marrow.
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