the machinary required to sperate the sister chromotids (each set of DNA) is outside the nucleus, and therefore requires access to the DNA. also the nucleus is quite small, so allowing the DNA access to the rest of the cell allows for more separation (i.e. a greater distance between the two sister chromotids can be acheived).
The nuclear membrane is still present during the interphase of the cell cycle, which includes the G1, S, and G2 phases. During this time, the cell is not dividing but is instead growing, replicating its DNA, and preparing for mitosis. The nuclear envelope disintegrates at the start of mitosis, specifically during prophase.
Chromatin condenses into chromosomes and the nuclear membrane disintegrates during the prophase stage of mitosis. This phase marks the beginning of cell division, where the genetic material becomes more organized and visible under a microscope. Additionally, the mitotic spindle begins to form, preparing to separate the chromosomes during the subsequent phases.
Cellular Division.
The nuclear membrane completely disappears during the prophase of mitosis. This phase marks the beginning of cell division, where chromatin condenses into visible chromosomes and the nuclear envelope disintegrates, allowing the spindle fibers to access the chromosomes. This process is crucial for the proper segregation of genetic material to the daughter cells.
in early stage of mitosis
True. The nuclear membrane disintegrates during prophase of mitosis to allow the condensed chromosomes to be visible and function properly during cell division.
prophase
The nuclear membrane is still present during the interphase of the cell cycle, which includes the G1, S, and G2 phases. During this time, the cell is not dividing but is instead growing, replicating its DNA, and preparing for mitosis. The nuclear envelope disintegrates at the start of mitosis, specifically during prophase.
Chromatin condenses into chromosomes and the nuclear membrane disintegrates during the prophase stage of mitosis. This phase marks the beginning of cell division, where the genetic material becomes more organized and visible under a microscope. Additionally, the mitotic spindle begins to form, preparing to separate the chromosomes during the subsequent phases.
Cellular Division.
The nuclear membrane completely disappears during the prophase of mitosis. This phase marks the beginning of cell division, where chromatin condenses into visible chromosomes and the nuclear envelope disintegrates, allowing the spindle fibers to access the chromosomes. This process is crucial for the proper segregation of genetic material to the daughter cells.
Prophase
The nuclear membrane reforms during late telophase of mitosis or meiosis, while the nucleolus reappears during interphase.
Mitosis Prophase. Yep one homework question answered!
The phase of mitosis that begins when the nuclear membrane starts to fade is called prometaphase. During prometaphase, the nuclear membrane breaks down, allowing the spindle fibers to attach to the chromosomes.
in early stage of mitosis
"scientist have not discovered WHY it happens"It does not matter if scientists have discovered it or not, but the nuclear membrane disappears during PROPHASEHope this helped!!!