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Storyboard Tekst
- Anddd in case you're wondering about Cytokinesis, Cytokinesis is the division of cells that occurs following mitosis or meiosis I and II. The cytoplasm (the liquid centre of the cell that holds the organelles in place) breaks into two equal halves during cytokinesis, and the cell divides into two daughter cells.
- What are the roles and what happens?
- Centrioles are two barrel-shaped organelles found near the nuclear envelope in the cytoplasm of animal cells. Centrioles help to organise microtubules, which function as the cell's skeletal system. They aid in the placement of the nucleus and other organelles within the cell.
- As mitosis advances, microtubules bind to chromosomes that have already duplicated their DNA and are aligned across the cell's centre. The spindle tubules shorten and migrate toward the cell's poles. As they migrate, they drag one copy of each chromosome to the cell's opposite poles. Chromosomes are thread-like structures containing tightly packed DNA inside the nucleus. DNA is coiled around histone proteins, which give structural support. Chromosomes aid in the replication and distribution of DNA during cell division.
- The cell generates two nuclear membranes around each set of chromosomes during telophase, and the chromosomes uncoil. After that, the cell walls pinch off and split down the middle. Two new cells, known as daughter cells, are produced. Cytokinesis, or cell cleavage, is the splitting of cells.
- What's telophase Mrs. Smith?
- Spindle fibres are cellular structures that play an important role in cell division. They are in charge of arranging DNA packages (chromosomes) on opposite ends of a cell so that duplicated nuclei can split into succeeding cells.
- Centromeres are the regions of chromosomes to which the spindle microtubules bind during cell division via the kinetochore. The centromere is a restricted section of a chromosome that aids the cell in dividing its DNA during division (mitosis and meiosis). It is specifically the area where the cell's spindle fibres attach..
- The nucleus supervises and regulates the cell's functions (for example, growth and metabolism) and houses the genes, which encode hereditary information. It preserves the hereditary material, or DNA, of the cell and directs its operations, which include growth, intermediate metabolism, protein synthesis, and reproduction At the end of mitosis, membrane growth is polarised to the location of cytokinesis to induce membrane addition required for cell separation. As a result, membrane growth occurs throughout the cell cycle, and the site of growth is controlled.
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