Mitosis Stages Overview

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<p>Metaphase (C)</p> Signup and view all the answers

<p>Centrioles moving to opposite poles (D)</p> Signup and view all the answers

The first stage of mitosis where chromosomes become visible, the nuclear membrane breaks down, and centrioles move to opposite poles of the cell.

The second stage of mitosis where chromosomes line up at the center of the cell, forming a 'metaphase plate'.

The third stage of mitosis where sister chromatids of each chromosome separate and are pulled apart by spindle fibers to opposite ends of the cell.

The final stage of mitosis where the cell divides into two daughter cells with identical genetic material.

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Specialized cellular structures that play a crucial role in cell division, helping to separate chromosomes during mitosis and meiosis.

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Prophase:
- Chromosomes condense (formed from two chromatids connected by a centromere)
- Nuclear membrane breaks down
- Centrioles move to opposite ends of the cell
- Spindle fibers (made of microtubules) begin to form.
Metaphase:
- Spindle fibers move chromosomes to the center of the cell.
Anaphase:
- Chromatics of each chromosome separate at the centromere
- Spindle fibers pull the separated chromatids (now chromosomes) towards opposite ends of the cell.
Telophase:
- Spindle fibers disappear
- Chromosomes return to chromatin (less condensed form)
- Nuclear envelope and nucleolus reform.