During which phase of mitosis does the nuclear envelope fragment, allowing microtubules to invade the nuclear area?
Understand the Problem
The question is asking about the specific phase of mitosis when the nuclear envelope breaks down, which allows the microtubules to access and interact with the chromosomes. This is a key event in the transition from the early stages of mitosis to the stages where chromosomes are separated.
Answer
Prometaphase
During prometaphase, the nuclear envelope fragments, allowing microtubules to invade the nuclear area.
Answer for screen readers
During prometaphase, the nuclear envelope fragments, allowing microtubules to invade the nuclear area.
More Information
Prometaphase is a key stage in mitosis where the breakdown of the nuclear envelope allows microtubules to attach to chromosomes.
Tips
A common mistake is confusing prophase with prometaphase, but the key difference is the breakdown of the nuclear envelope which occurs in prometaphase.
Sources
- The Events of M Phase - The Cell - NCBI Bookshelf - ncbi.nlm.nih.gov
- Phases of mitosis | Mitosis | Biology (article) - Khan Academy - khanacademy.org
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