Answer: Sister chromatids separate and move to poles.
- A Nuclear envelope vesicles disperse into the cytoplasm
- B Chromosomes coil tightly and condense for division
- C Sister chromatids separate and move to poles
- D Spindle microtubules polymerize from centrosomes
Correct answer: C. Sister chromatids separate and move to poles
Explanation: Anaphase: sister chromatids separate as spindle fibers pull them to opposite poles.
The cell cycle: G1 (growth and preparation), S (DNA replication, chromosome number stays 2n but DNA content doubles), G2 (final checks before division), and M (mitosis itself) - together, G1+S+G2 make up interphase.
Concept context
Mitosis and meiosis: how cells divide for growth, repair, and reproduction.