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As we all know, DNA from a single cell can be more than 4cms long. This long thread is compactly winded to fit it inside a tiny nucleus.
Eukaryotic cells have the DNA winded compactly with the help of special proteins called histones. DNA is wound around the histone proteins to form structures called nucleosomes. Thus, with this "beads-on-string" structure, the overall length is reduced to a considerable extent. Furthermore, these strings now coil upon themselves to develop supercoils which inturn create compact chromosomes. All in all, the total length of the DNA is reduced to such a great extent that a long strand now fits inside a nucleus which is only a few nanometers in diameter (one nanometer = 109 meter).

you can understand the concept further by reading more about

  • histones
  • nucleosomes
  • DNA supercoiling. Wikipedia has wonderful explanations on these topics.
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14y ago
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12y ago

it doubles - as the genetic information needs to be copied so when the cell divides, each cell has the same genetic material

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13y ago

it is replicating

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Q: What is happening to the genetic material jsut before a cell leaves interphase and starts prophase of cell division?
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What is happening to the genetic material just before a cell leaves interphase and starts prophase of cell division?

replicating


What is the outcome of interphase?

Interphase is where the cell is when it is preparing for cell division. Therefore the purpose of interphase is to prepare the cell for division. During interphase, the cell goes through three stages; the G1, S Phase and G2. This is the longest part of the cycle.


Each stage of cell division in order?

prophase interphase anaphase metaphase telophase cytokinesis= cell division over


Part of the cell cycle usually accompanied by cell division?

the order is interphase, prophase, metaphase, antiphase, telephase, and cytokanisis.


What are the six steps in the cell cycle?

The steps are, in this order:Interphase, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis.Just remember:-Interphase the cell grows, and doubles their DNA in interphase-Mitosis (Just remember the name "In puntacana my apple tastes citrous" - Interphase, Prophase, Metaphase, Anaphase, Telophase, Cytokenisis.)-Cytokinesis


Does cytokinesis happen during interphase?

No, cytokinesis is the last step of cytokinesis. The steps of cell division are interphase, prophase, metaphase, anaphase, telophase, and cytokinesis.


When does the nucleolus begin to fade away?

Prophase.


What is an easy way to explain prophase?

Prophase is the first stage of any cell division (excluding interphase). This is the stage where a cell prepares it for upcoming cell division. Further properties can be found in books and elsewhere.


What HAPPENS DUR?

Mitosis is the division of the chromosomes in the nuclei. There are 5 stages in mitosis. Interphase, prophase, metaphase, anaphase, and telophase.


What happens durring mitosis?

Mitosis is the division of the chromosomes in the nuclei. There are 5 stages in mitosis. Interphase, prophase, metaphase, anaphase, and telophase.


Cell division is accomplished by what?

there are 6 stages of cell division. Phase 1- interphase Phase 2- prophase Phase 3 - metaphase Phase 4-anaphase Phase 5-telophase Phase 6- cytokenesis


What are the phases in Mitosis and Meiosis?

There are Interphase, Prophase, Metaphase, Anaphase and Triphase. The two that are opposite are Interphase and Anaphase.