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Cell Cycle & Cell Division Practice Questions - DPP for NEET

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FAQs on Cell Cycle & Cell Division Practice Questions - DPP for NEET

1. What is the cell cycle?
Ans. The cell cycle refers to the series of events that occur in a cell leading to its division and the production of two daughter cells. It consists of interphase (the growth phase) and mitosis (the division phase).
2. What are the different phases of the cell cycle?
Ans. The cell cycle consists of four main phases: G1 phase (cell growth and preparation for DNA replication), S phase (DNA synthesis), G2 phase (cell growth and preparation for cell division), and M phase (mitosis or cell division).
3. What is the significance of cell division?
Ans. Cell division is crucial for the growth, development, and repair of organisms. It allows multicellular organisms to increase in size, replaces damaged or old cells, and is essential for reproduction.
4. What is mitosis and how does it contribute to cell division?
Ans. Mitosis is a process in which a parent cell divides to produce two genetically identical daughter cells. It plays a vital role in growth, tissue repair, and asexual reproduction. During mitosis, the replicated chromosomes are evenly distributed to the daughter cells.
5. How is the cell cycle regulated?
Ans. The cell cycle is tightly regulated by several checkpoints to ensure proper cell division. These checkpoints monitor DNA integrity, cell size, and the presence of growth factors. If any abnormalities are detected, the cell cycle can be paused or halted to prevent the formation of defective cells.
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