IB Biology HL C3.2.9 Clones of Plasma Cells Questions

Explore how antigen-selected B-cell clones form plasma cells with abundant rough ER and secrete large quantities of one specific antibody in IB Biology HL C3.2.9.

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Explain clonal selection as antigen-specific activation followed by mitotic division of the selected B-cell to produce genetically identical clones.
Explain that B-cell clones differentiate into plasma cells with abundant rough endoplasmic reticulum, which secrete large amounts of one specific antibody.

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Study C3.2.9—Clones of plasma cells conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

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The figure shows a transmission electron micrograph of rotavirus particles. Each rotavirus is about 70 nanometres in diameter.

Figure for Question IB Biology HL C3.2.9 Clones of Plasma Cells Questions question 1 — IB Biology HL

State the role of plasma cells in the immune system.

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IB Biology HL C3.2.9 Clones of Plasma Cells Questions question 1