Answer: Condensin.
- A Histone
- B Condensin
- C Tubulin
- D Actin
Correct answer: B. Condensin
Explanation: Condensin complex compacts chromosomes during mitosis. Cohesins hold sister chromatids together until anaphase.
Animal cell structure with major organelles labeled. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Cell theory, prokaryotic vs eukaryotic cells, organelles and their functions. Foundation of all biology.