Which sequence of stages in mitosis is correct?
prophase, prometaphase, metaphase, anaphase, telophase
The correct sequence of stages in mitosis is as follows:
1. Prophase: The chromatin condenses into visible chromosomes, and the nuclear envelope breaks down. The spindle fibers start to form from the centrosomes, which move towards the opposite poles of the cell.
2. Metaphase: The chromosomes align along the equatorial plane of the cell, also known as the metaphase plate.
3. Anaphase: The spindle fibers contract, pulling the sister chromatids apart toward the opposite poles of the cell.
4. Telophase: The chromosomes reach their respective poles, and the spindle fibers start to break down. The nuclear envelope re-forms, and the cell prepares to divide.
5. Cytokinesis: The division of the cytoplasm, which results in the formation of two daughter cells. This stage can occur concurrently with telophase or immediately afterward.
It is important to note that mitosis is a continuous process, and the boundaries between each of these stages are somewhat arbitrary. Nevertheless, this sequence represents a general outline of what occurs during mitosis.
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