IB Biology SL C3.2.9 Clones of Plasma Cells Questions

Explore how antigen-selected B-cells divide by mitosis and differentiate into rough-ER-rich plasma cells that secrete one specific antibody in IB Biology SL C3.2.9.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • 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.

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

[Maximum number: 6]

Describe the production of antibodies.

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