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Questions and Answers
What phase of the cell life cycle occupies most of the cell's life?
What phase of the cell life cycle occupies most of the cell's life?
- Cytokinesis
- Chromatin phase
- Interphase (correct)
- Mitosis
During which phase does DNA replication occur in the cell cycle?
During which phase does DNA replication occur in the cell cycle?
- Cytokinesis
- Interphase (correct)
- Mitosis
- Prophase
Which statement best describes the outcome of mitosis?
Which statement best describes the outcome of mitosis?
- It results in two identical daughter cells from the parent cell. (correct)
- It creates one large cell from several smaller cells.
- It produces cells with half the DNA of the parent cell.
- It prevents the growth of new cells.
When are chromosomes visible within a cell?
When are chromosomes visible within a cell?
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Which of the following cells has the longest regeneration time?
Which of the following cells has the longest regeneration time?
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Study Notes
Interphase
- The majority of a cell's life is spent in interphase.
- During interphase, cells grow in size, increase their organelles and cytoplasm, and carry out their specialized functions.
- Cells prepare for mitosis by replicating their DNA during interphase.
Mitosis
- Mitosis is a short phase where the cell divides.
- During mitosis, a parent cell produces two identical daughter cells.
- Mitosis is crucial for body growth, replacing dead cells, repairing damaged tissues, and producing new cells.
- The human body produces millions of new cells every second through mitosis.
Chromosomes and the Cell Cycle
- Chromosomes are visible during mitosis but are unraveled and form chromatin during interphase.
- When mitosis begins, chromatin condenses into visible chromosomes.
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