IB Biology SL D2.1.2 Cytokinesis Questions

Analyse how cytokinesis divides cytoplasm after nuclear division and how animal and plant cells use different mechanisms in IB Biology SL D2.1.2.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Describe cytokinesis as division of cytoplasm after nuclear division, including the animal-cell cleavage furrow and contractile ring.

IB Biology SL D2.1.2 Cytokinesis Questions 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 IB Biology SL D2.1.2 Cytokinesis Questions 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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