The Cell Cycle & Mitosis

Created by: Voltace
Created on: 24-04-14 19:14

What are the three stages of the interphase? and what happens in each?

Growth Phase 1 (G1) - Cell grows back to original size / Synthesis (S) DNA & Histones Replicate by semi-conservative replication in prepartion for mitosis. / Growth Phase 2 (G2) Spindle proteins made

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What are the first two stages of Mitosis, and what happens?

Prophase - Chromosones condensed & Visible , Centrioles to opposite poles , Nuucleolus dissapears / Metaphase - Chromosones allign at equator, Nuclear envelope dissapears , Spindle connects to centromeres

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What are the last two stages of Mitosis, and what happens?

Anaphase - Centromeres split, seperating chromosones into sister chromatids, chromatids move towards poles / Telophase - Nuclear envelope forms around new chromatids, Chromatids uncoil to thin to see , Spindle fibers disperse

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What is Mitosis?

The duplication of existing cells producing two genetically identical daughter cells.

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Why is Mitosis important in the body and what is it used for in eukaryotes?

Used to grow, replacing cells that are worn out/lost , Repairing cells that are damaged or killed, Reproducing in eukaryotes for asexualness.

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