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IB Biology SL 2.1.2 Cytokinesis Question Bank

Practise IB Biology SL 2.1.2 by describing cytokinesis and how it separates daughter-cell cytoplasm.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Describe cytokinesis as the division of cytoplasm after nuclear division.
  • Explain how a cleavage furrow or cell plate separates animal or plant daughter cells.
  • Identify the structures or vesicles involved in a cytokinesis diagram.

D2.1.2—Cytokinesis question 1

[Maximum number: 2]

Both the genome and the environment of an organism affect its growth and development. Variation between individuals of a species can be continuous or discrete (discontinuous). Mitosis produces identical cells for growth and meiosis allows for variation.

The micrographs show onion and whitefish cells in mitosis.

Figure for Question D2.1.2—Cytokinesis question 1 — IB Biology SL

The process of cytokinesis is occurring in the whitefish embryo cells. Explain how cytokinesis occurs in this animal cell.

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