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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?
Simply: tumor cells tend to be more radiosensitive because they spend more time on average undergoing uncontrolled mitosis than normal cells. Since mitosis is the most sensitive phase of the cell cycle (phase through which the cell is most easily lethally damaged by radiation), their risk is increased. On another note, depending on which genes are causing the cell to become cancerous, certain blockers that would prevent a cell whose DNA had been damaged by radiation might not stop that cell from moving into mitosis, failing, and committing apoptosis (preprogrammed cell death).
The metabolic or growth phase of a cell life cycle is called?
Interphase is the metabolic or growth phase of a cell life cycle. The cell spend most of their life in this cycle preparing for cellular division.
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?
Interphase is the first and longest stage of the cell cycle.MORE: Interphase is made up of three distince phases (G1, S and G2 phase).The problem is that the cell cycle phases are actually all rather fluid; they overlap and can vary in length. In addition in some cases the cell does not need to undergo the full G1 or G2 phases such as in the early replication of zygotes.The actual longest phase of the cell cycle is what is called "G0". This is the state the cell goes into where it is not preparing for the cell cycle. Most of your cells are in G0 right now.
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.
