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Which phase of the cell cycle is the most variable in duration in different cell type?
The G1 phase of the cell cycle is the most variable in duration among different cell types. This phase is characterized by cell growth and preparation for DNA replication in the S phase. The length of the G1 phase can vary depending on the cell type, cell size, and external factors.
Most cancerous tumors being goring which phase of the cell cycle?
Most cancerous tumors are detected at advanced phase of the cell cycle.
What makes tumor cells radiosensitive?
Tumor cells are typically more radiosensitive than normal cells because they have faster cell division rates and reduced DNA repair mechanisms. This makes them more prone to DNA damage caused by radiation, leading to increased susceptibility to radiation-induced cell death. Additionally, tumor cells often have compromised cell cycle checkpoints, which can further contribute to their radiosensitivity.
The metabolic or growth phase of a cell life cycle is called?
The metabolic or growth phase of a cell life cycle is called the interphase. During interphase, the cell prepares for cell division by growing and doubling its organelles and DNA.
What is the stage in the cell cycle that is most frequently observed and why?
The stage in the cell cycle that is most frequently observed is interphase. This is because cells spend the majority of their time in interphase, where they grow, carry out normal cellular functions, and prepare for cell division. Interphase consists of three phases: G1 phase, S phase (DNA synthesis), and G2 phase.
Some cancer-fighting drugs disrupt the cell cycle by preventing the formation of spindle fibers. Which specific phase of the cell cycle is such a drug most likely to disrupt?
M phase (apex)
What is the most dominant phase in cell cycle?
The most dominant phase in the cell cycle is usually interphase, which encompasses G1, S, and G2 phases. During interphase, the cell grows, carries out normal cellular functions, and replicates its DNA in preparation for cell division.
Most specialized cells remain in what phase of the cell's life cycle?
Specialized cells remain in the G0 phase of the cell cycle, where they are no longer actively dividing but are carrying out their specific functions within the organism.
Which stage of cell cycle is most active in terms of gene action?
The G1 phase is the stage of the cell cycle that is most active in terms of gene action. During this phase, cells grow, carry out their normal functions, and prepare for DNA replication in the S phase. Many genes are expressed to ensure that the cell is ready to move on to the next stages of the cell cycle.
What is the significance of S phase of interphase?
In the S-Phase, the most important part of cell cycle, the DNA (genome) replicates. It is then followed by division of the cell. If the s- phase fails to occur, a checkpoint before the division phase prevents the further proceedings of the cell cycle. Hence without the happening of S-phase, cell division will never complete.
The longest phase of the cell cycle is?
The longest phase of the cell cycle is typically the Interphase, which includes three sub-phases: G1 phase (cell growth), S phase (DNA synthesis), and G2 phase (preparation for cell division). Interphase can vary in duration depending on the type of cell and its specific functions. This phase is crucial for the cell's growth, development, and preparation for cell division.
Which phases of the cell cycle does interphase include?
Interphase includes three phases: G1 phase, where the cell grows and prepares for DNA replication; S phase, where DNA is synthesized and replicated; and G2 phase, where the cell continues to grow and prepares for cell division.
