Mitosis · Botany

Which protein acts as the 'glue' that keeps sister chromatids together until anaphase?

  1. Cohesin
  2. Histone
  3. Tubulin
  4. Pectin
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Correct answer: Cohesin

Cohesin complexes are established during S phase. They hold the sister chromatids together along their length, ensuring they don't separate prematurely during metaphase.

Difficulty: Medium Question 17 of 20

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