where are the centrosomes located?
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In animal cells centrioles are located in, and form part of, the centrosome where they are paired structures lying at right angles to one another. In this context they are possibly involved in spindle assembly during mitosis. The centrosome is positioned in the cytoplasm outside the nucleus but often near to it.
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What is the function of the centrosome? The centrosome plays an important role during cell division, when a special "spindle" of microtubules is constructed for the purpose of moving chromosomes around the cell.
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Centrosomes and lysosomes are found in animal cells, but do not exist within plant cells. The lysosomes are the animal cell's “garbage disposal”, while in plant cells the same function takes place in vacuoles.
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The centrosome replicates during the S phase of the cell cycle. During the prophase in the process of cell division called mitosis, the centrosomes migrate to opposite poles of the cell. The mitotic spindle then forms between the two centrosomes. Upon division, each daughter cell receives one centrosome.
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['Cell Membrane. A thin semipermeable membrane layer of protein and fats surrounding the cell. ... ', 'Nuclear Membrane. It is a double-membrane structure that surrounds the nucleus. ... ', 'Nucleus. ... ', 'Centrosome. ... ', 'Lysosome (Cell Vesicles) ... ', 'Cytoplasm. ... ', 'Golgi Apparatus. ... ', 'Mitochondrion.']
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['Plasma Membrane.', 'Nucleus/DNA.', 'Ribosome.', 'Mitochondria.', 'Vacuoles.', 'Cytoskeleton.', 'Plastids.', 'Endoplasmic Reticulum.']
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The main function of centrioles is to produce cilia during interphase and the aster and the spindle during cell division.
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A chromosome is a unit of inheritance found in the cell, composed of DNA and proteins. ... A centrosome is a microtubule organizing complex found in the cell, composed solely of proteins. The role of the centrosome to drive the formation of the spindle fibers and other tubulin-based structure (like flagella and cilia).
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Many cell organelles, most notably the nucleus, are anchored by intermediate filaments which are assembled from a diverse class of proteins. 3. Centrosomes are sites where protein dimers assemble into microtubules.
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During the prophase in the process of cell division called mitosis, the centrosomes migrate to opposite poles of the cell. The mitotic spindle then forms between the two centrosomes. Upon division, each daughter cell receives one centrosome.
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Centrioles are found in most eukaryotic cells. A bound pair of centrioles, surrounded by a shapeless mass of dense material, called the pericentriolar material (PCM), makes up a structure called a centrosome.
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Animal cells (except for a group of worms known as nematodes) have a centriole. Plants and most other eukaryotic organisms lack centrioles. Prokaryotes, of course, lack spindles and centrioles; the cell membrane assumes this function when it pulls the by-then replicated chromosomes apart during binary fission.
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While both animal and plant cells have microtubule organizing centers (MTOCs), animal cells also have centrioles associated with the MTOC: a complex called the centrosome. Animal cells each have a centrosome and lysosomes, whereas plant cells do not.
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It is a fact considered that Neurons cannot divide because they lack centrioles. Centrioles are minute cylindrical organelle present near the nucleus in animal cells involved in the development of Spindle fibres in Cell division.
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Like Cilia and Flagella, Centrioles are also made of microtubules. The difference is that they contain 9 sets of triplets and no doublet in the center.
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The centromere is a part of a chromosome that links the sister chromatids or dyads. The spindle fibers attach to it during mitosis. Centrosome is the organelle where all the cell microtubules get organized.
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['Centromeres separate, and chromatids of the chromosomes separate.', 'Spindle fibers shorten and pull these new individual chromosomes toward centrioles.', 'Cytokinesis begins.']