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Questions and Answers
Which of the following best describes the relationship between cell turnover and cell division?
Which of the following best describes the relationship between cell turnover and cell division?
- Cell turnover inhibits cell division
- Cell turnover is unrelated to cell division
- Cell turnover and cell division are independent processes
- Cell turnover is a result of cell division (correct)
What are the two types of cell division in eukaryotic cells?
What are the two types of cell division in eukaryotic cells?
- Mitosis and meiosis (correct)
- Meiosis and cytokinesis
- Binary fission and mitosis
- Mitosis and cytokinesis
During which phase of the cell cycle do chromosomes replicate?
During which phase of the cell cycle do chromosomes replicate?
- M phase
- G2 phase
- G1 phase
- S phase (correct)
What is the role of sister chromatids in mitosis?
What is the role of sister chromatids in mitosis?
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How many phases are there in mitosis?
How many phases are there in mitosis?
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Study Notes
Cell Turnover and Cell Division
- Cell turnover refers to the process of replacing old or damaged cells with new ones, which is dependent on cell division.
Types of Cell Division in Eukaryotic Cells
- There are two types of cell division in eukaryotic cells: mitosis and meiosis.
Cell Cycle
- Chromosomes replicate during the S phase (synthesis phase) of the cell cycle.
Role of Sister Chromatids in Mitosis
- Sister chromatids are identical copies of a chromosome that are joined together at the centromere, and they separate during mitosis, ensuring that each new cell receives a complete set of chromosomes.
Phases of Mitosis
- Mitosis consists of four phases: prophase, metaphase, anaphase, and telophase.
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