Mitosis · Botany

During Metaphase, chromosomes are aligned at the equatorial plate primarily by the tension exerted by:

  1. Cytoskeletal actin filaments
  2. The rigid cell wall structure
  3. Nuclear lamin proteins
  4. The spindle microtubules
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Correct answer: The spindle microtubules

Spindle fibers attach to the kinetochores of chromosomes. The opposing pull from microtubules attached to opposite poles balances the chromosomes at the cell's center.

Difficulty: Medium Question 5 of 20

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