Podcast
Questions and Answers
If a cell with 20 chromosomes undergoes mitosis, how many chromosomes will each daughter cell possess?
If a cell with 20 chromosomes undergoes mitosis, how many chromosomes will each daughter cell possess?
- 40
- 20 (correct)
- 10
- 5
What is the primary function of mitosis in multicellular organisms?
What is the primary function of mitosis in multicellular organisms?
- Production of gametes for sexual reproduction
- Introduction of genetic variation
- Repair of injured tissues and growth (correct)
- Direct energy production
During which phase of the cell cycle does DNA replication occur, ensuring each daughter cell receives a complete set of genetic information?
During which phase of the cell cycle does DNA replication occur, ensuring each daughter cell receives a complete set of genetic information?
- Cytokinesis
- Metaphase
- Interphase (correct)
- Prophase
At what stage of mitosis do the sister chromatids separate and begin moving toward opposite poles of the cell?
At what stage of mitosis do the sister chromatids separate and begin moving toward opposite poles of the cell?
During which mitotic stage do chromosomes condense and become visible, and the nuclear envelope breaks down?
During which mitotic stage do chromosomes condense and become visible, and the nuclear envelope breaks down?
Which of the following accurately describes what happens during metaphase?
Which of the following accurately describes what happens during metaphase?
What is the role of cytokinesis in the cell cycle?
What is the role of cytokinesis in the cell cycle?
How does mitosis contribute to the growth of a multicellular organism?
How does mitosis contribute to the growth of a multicellular organism?
Which of the following processes is not a direct result of mitosis?
Which of the following processes is not a direct result of mitosis?
A cell spends most of its life cycle in which phase?
A cell spends most of its life cycle in which phase?
What would be the consequence if cytokinesis did not occur following mitosis?
What would be the consequence if cytokinesis did not occur following mitosis?
In which phase of mitosis do the chromosomes appear as thread-like structures and start to condense?
In which phase of mitosis do the chromosomes appear as thread-like structures and start to condense?
During what stage of mitosis does the cell physically separate into two new cells?
During what stage of mitosis does the cell physically separate into two new cells?
If a mutation occurred that prevented the proper formation of the mitotic spindle, what phase of mitosis would be directly affected?
If a mutation occurred that prevented the proper formation of the mitotic spindle, what phase of mitosis would be directly affected?
Which statement accurately describes the relationship between mitosis and the cell cycle?
Which statement accurately describes the relationship between mitosis and the cell cycle?
What is the end result of mitosis?
What is the end result of mitosis?
During which phase does the cell pinch in the middle?
During which phase does the cell pinch in the middle?
What is the name of the process where the material from the cell nucleus divides?
What is the name of the process where the material from the cell nucleus divides?
Which of the following is NOT a reason why living organisms make new cells?
Which of the following is NOT a reason why living organisms make new cells?
During which phase of mitosis do chromosome copies begin to separate?
During which phase of mitosis do chromosome copies begin to separate?
Flashcards
Mitosis
Mitosis
The process where the material from the cell nucleus divides, resulting in two identical cells.
Interphase
Interphase
The stage where the cell grows and each chromosome in the nucleus makes an exact copy of itself.
Prophase
Prophase
The first stage of mitosis where chromosomes shorten, thicken, and pair up.
Metaphase
Metaphase
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Anaphase
Anaphase
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Telophase
Telophase
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Cytokinesis
Cytokinesis
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Study Notes
- Cell division results in one cell dividing to form two identical cells.
- Mitosis is the process in which material from the cell nucleus divides.
- Living organisms constantly create new cells through mitosis.
- Cell division via mitosis allows organism growth.
- Mitosis aids in the replacement of injured and worn-out cells.
- The life cycle of a cell is represented by the following phases:
Interphase
- Occupies 90% of the cell cycle, considered the growing phase.
- Chromosomes in the nucleus make an exact copy of themselves.
Prophase
- Mitosis initiates; chromosomes shorten, thicken, and pair up.
Metaphase
- Chromosome copies align in the cell's center, also known as the equator.
Anaphase
- Chromosome copies begin to separate.
Telophase
- The cell pinches in the middle, marking it as the last phase of mitosis.
Cytokinesis
- The cell divides into two daughter cells.
- Mitosis represents 10% of the cell cycle.
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