Podcast
Questions and Answers
During which stage of mitosis do sister chromatids separate and move to opposite poles?
During which stage of mitosis do sister chromatids separate and move to opposite poles?
- Anaphase (correct)
- Telophase
- Metaphase
- Prophase
What is the main event in prometaphase of mitosis?
What is the main event in prometaphase of mitosis?
- Chromosomes align at the cell equator
- Nuclear envelope breaks down (correct)
- Chromosomes condense
- Spindle disappears
Which phase of mitosis involves the chromosomes aligning at the cell equator?
Which phase of mitosis involves the chromosomes aligning at the cell equator?
- Prophase
- Anaphase
- Telophase
- Metaphase (correct)
What happens to the chromosomes in telophase of mitosis?
What happens to the chromosomes in telophase of mitosis?
In which stage of mitosis do chromosomes condense and become visible?
In which stage of mitosis do chromosomes condense and become visible?
What characterizes the movement of centrosomes towards opposite poles in prophase of mitosis?
What characterizes the movement of centrosomes towards opposite poles in prophase of mitosis?
During which stage of cell division does cytokinesis typically begin?
During which stage of cell division does cytokinesis typically begin?
Which stage of meiosis involves the independent alignment of homologs and crossing-over?
Which stage of meiosis involves the independent alignment of homologs and crossing-over?
What happens during prometaphase in mitosis?
What happens during prometaphase in mitosis?
Which of the following statements about telophase is correct?
Which of the following statements about telophase is correct?
During which phase do homologous chromosomes pair up and crossing-over occurs?
During which phase do homologous chromosomes pair up and crossing-over occurs?
In which stage of cell division do sister chromatids segregate to different daughter cells?
In which stage of cell division do sister chromatids segregate to different daughter cells?
During which stage of mitosis does the nuclear envelope break down?
During which stage of mitosis does the nuclear envelope break down?
In which stage of mitosis do the sister chromatids attach to microtubules from opposite poles?
In which stage of mitosis do the sister chromatids attach to microtubules from opposite poles?
At which stage of mitosis do the chromosomes align on the metaphase plate?
At which stage of mitosis do the chromosomes align on the metaphase plate?
What happens to the centromeres during anaphase of mitosis?
What happens to the centromeres during anaphase of mitosis?
In which phase of mitosis does the nuclear envelope form around each group of chromatids?
In which phase of mitosis does the nuclear envelope form around each group of chromatids?
What happens to the spindle fibers during telophase of mitosis?
What happens to the spindle fibers during telophase of mitosis?
Study Notes
Mitosis Stages
- Sister chromatids separate and move to opposite poles during anaphase.
- The main event in prometaphase is the breakdown of the nuclear envelope.
- Metaphase involves the alignment of chromosomes at the cell equator.
- In telophase, chromosomes uncoil and a nuclear envelope forms around each group of chromatids.
- Chromosomes condense and become visible during prophase.
- During prophase, centrosomes move towards opposite poles, characterized by the formation of a spindle apparatus.
- Cytokinesis typically begins during telophase.
Meiosis
- Prophase I involves the independent alignment of homologs and crossing-over.
Mitosis Events
- During prometaphase, the nuclear envelope breaks down, and microtubules from opposite poles attach to the sister chromatids.
- In anaphase, the centromeres divide, and sister chromatids move to opposite poles.
- In metaphase, the chromosomes align on the metaphase plate.
- In telophase, the nuclear envelope forms around each group of chromatids, and the spindle fibers disappear.
- Sister chromatids segregate to different daughter cells during anaphase.
- The nuclear envelope breaks down during prometaphase.
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Description
Test your knowledge on the stages of mitosis as presented in the McGraw Hill material, including prometaphase, breakdown of the nuclear envelope, formation of the mitotic spindle, and attachment of sister chromatids to microtubules.
