HND Immunology
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| show | Because they have multiple epitopes.
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| What does the serum produced upon exposure to an antigen contain? | show 🗑
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| show | No, each pairing will have a different affinity.
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| Can individual affinities be measured in the antiserum? | show 🗑
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| show | The total binding strength between the antiserum and antigen.
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| show | Avidity is always greater than the total sum of affinities.
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| show | They can be linked together by two or more antibody molecules.
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| What happens if one antibody dissociates from the multivalent antigen and antibody complex? | show 🗑
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| show | Because some antibodies are dissociating and others are re-associating all the time.
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| show | Cross-linking.
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| What is cross-linking crucial for? | show 🗑
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| show | The maximum number of epitopes an immunoglobulin can react with.
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| show | The number of Fab regions present on the immunoglobulin.
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| What is the valency of IgG? | show 🗑
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| What is the valency of IgD? | show 🗑
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| What is the valency of IgE? | show 🗑
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| show | 2 in its monomeric serum form.
4 in its dimeric secretory form.
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| What is the valency of IgM? | show 🗑
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| show | More antigen binding sites, which lead to more binds, meaning less dissociation and greater avidity.
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