Immunoglobulins - From Study Guide 2
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5 terms
Terms | Definitions |
|---|---|
 IgA | Secreted by B-cells on the submucosal regions of the intestine and respiratory mucosa. |
| IgM | Contains ten antigenic binding sites. |
| IgG | Has two antigenic binding sites and is secreted later in the primary immune response after B-cells have gone through affinity maturation. |
| IgM | Is secreted early in the primary immune response, does not have high affinity for antigen because the B-cells have not gone through affinity maturation. |
| IgA | Has a J chain that holds two subunits. |
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