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Cell Cycle and Its Phases Video Lecture | Biology for ACT

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FAQs on Cell Cycle and Its Phases Video Lecture - Biology for ACT

1. What is the cell cycle?
Ans. The cell cycle is the series of events that a cell goes through as it grows and divides into two daughter cells. It consists of four main phases: G1 phase, S phase, G2 phase, and M phase.
2. What happens during the G1 phase of the cell cycle?
Ans. The G1 phase, also known as the Gap 1 phase, is the first phase of the cell cycle. During this phase, the cell grows in size, synthesizes proteins, and performs its normal functions. It prepares for DNA replication in the subsequent phase.
3. What is the S phase of the cell cycle?
Ans. The S phase, or Synthesis phase, is the second phase of the cell cycle. During this phase, the cell replicates its DNA to ensure that each daughter cell will receive an identical copy of the genetic material. The DNA replication occurs in the nucleus.
4. What happens during the M phase of the cell cycle?
Ans. The M phase, or Mitotic phase, is the third phase of the cell cycle. It is divided into two main processes: mitosis and cytokinesis. Mitosis is the division of the cell's nucleus into two identical nuclei, while cytokinesis is the division of the cytoplasm to form two complete daughter cells.
5. What is the significance of the cell cycle?
Ans. The cell cycle is crucial for the growth, development, and maintenance of multicellular organisms. It ensures that genetic information is accurately passed on to the next generation of cells. It also plays a vital role in tissue repair, regeneration, and the formation of new cells in an organism.
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