Podcast
Questions and Answers
Match the following phases of cell division with their descriptions:
Match the following phases of cell division with their descriptions:
Prophase = The nucleoli also disappears Metaphase = The centromeres become attached to the spindle Anaphase = It is over when the chromatids stop moving and are gathered at each end of the cell Telophase = The nucleolus reforms
Study Notes
Prophase
- Duplicated chromosomes condense, making them visible.
- Centrioles migrate to opposite poles of the nucleus.
- Formation of the spindle apparatus occurs.
- DNA strands connect at points called centromeres.
- The nuclear envelope disintegrates, allowing microtubules access to chromosomes.
- Nucleoli disappear, signaling the preparation for cell division.
Metaphase
- Centromeres of duplicated chromosomes align at the cell's equatorial plane.
- Spindle fibers attach to the centromeres, anchoring chromosomes for separation.
Anaphase
- Sister chromatids separate as the spindle fibers pull them to opposite ends of the cell.
- Process concludes when chromatids, now individual chromosomes, are gathered at each pole.
Telophase
- Chromosomes de-condense, becoming less visible again.
- The spindle apparatus disassembles as the cell prepares to divide.
- The nuclear envelope reforms around each set of chromosomes at the poles.
- Nucleoli reappear, restoring the cellular environment for normal function.
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Description
This quiz covers the stages of mitosis, including prophase, metaphase, anaphase, and telophase. Test your understanding of how chromosomes behave and the role of the spindle apparatus during cell division. Perfect for biology students learning about cellular processes.
