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What is G0 (quiescent phase) of cell cycle?

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प्रश्न

What is G0 (quiescent phase) of cell cycle?

थोडक्यात उत्तर
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उत्तर

  • The G0 phase occurs when the cell cycle is inactivated because mitogens and substances high in energy are not available.
  • At this stage, cells still have an active metabolism but stop proliferating, meaning they don't grow or differentiate unless the organism requires them to.
  • For instance, chordate nerve and heart cells are always in the G0 phase.
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पाठ 10: Cell Cycle and Cell Division - EXERCISES [पृष्ठ १२९]

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एनसीईआरटी Biology [English] Class 11
पाठ 10 Cell Cycle and Cell Division
EXERCISES | Q 4. | पृष्ठ १२९

संबंधित प्रश्‍न

What is the average cell cycle span for a mammalian cell?


Why is mitosis called equational division?


Name the phase of the cell cycle at which the following event occurs:

Crossing over between homologous chromosomes takes place.


Analyse the events during every stage of cell cycle and notice how the following two parameters change.

  1. Number of chromosomes (N) per cell
  2. Amount of DNA content (C) per cell

Most cytogenic activities occur during


Name the stage of mitosis in which chromosomes are arranged on the equator of spindle:


The centriole undergoes duplication during ______


Cell division cannot be stopped in which phase of the cell cycle?


Cells which are not dividing are likely to be at ______.


Between a prokaryote and a eukaryote, which cell has a shorter cell division time?


It is said that the one cycle of cell division in human cells (eukaryotic cells) takes 24 hours. Which phase of the cycle, do you think occupies the maximum part of cell cycle?


Label the diagram and also determine the stage at which this structure is visible.


Mitosis results in producing two cells which are similar to each other. What would be the consequence if the following irregularities occur during mitosis?

Duplication of DNA does not occur


Comment on the statement – Telophase is reverse of prophase.


Name the phase of the cell cycle at which the following event occurs:

Centromere splits and chromatids separate.


Spindle fibers attach to kinetochores of chromosomes during ______.


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