B Cells Can Generate Antibodies with Over 10¹⁰ Different Antigen-Binding

question 52

Multiple Choice

B cells can generate antibodies with over 10¹⁰ different antigen-binding sites.How do so many different antibodies fit onto a single B cell?

• A)B cells are unusually large cells.
• B)B cells have wavy, invaginated plasma membranes to provide more surface area.
• C)B cells have long flagella-like extensions to provide more surface area.
• D)They don't -- each B cell makes only a single variety of antibody.

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