what is the function of the large central vacuole?
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Aside from storage, the main role of the central vacuole is to maintain turgor pressure against the cell wall. Proteins found in the tonoplast (aquaporins) control the flow of water into and out of the vacuole through active transport, pumping potassium (K+) ions into and out of the vacuolar interior.
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The main function of this ventricle is to protect the human brain from trauma (via a cushioning effect) and to help form the central canal, which runs the length of the spinal cord. This ventricle has a roof and a floor.
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['cell membrane.', 'cell wall.', 'central vacuole.', 'chloroplast.', 'chromosome.', 'cytoplasm.', 'Endoplasmic reticulum.', 'Golgi complex.']
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Cilia are complex structures of the paranasal sinus mucosa in which its function is critical to respiratory defense. Cilia beat in a coordinated manner to clear the paranasal sinus cavities and upper airway of the mucus blanket that contains the pathogens and debris that are continually inspired in normal respiration.
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The function of T-TUBULES is to conduct impulses from the surface of the cell (SARCOLEMMA) down into the cell and, specifically, to another structure in the cell called the SARCOPLASMIC RETICULUM. ... But the primary function of the SARCOPLASMIC RETICULUM is to STORE CALCIUM IONS.
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The main role of the glia limitans is to act as a physical barrier against unwanted cells or molecules attempting to enter the CNS. The glia limitans compartmentalizes the brain to insulate the parenchyma from the vascular and subarachnoid compartments.
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The pseudopods extend around the food material and form a food vacuole. The vacuole acts as a site of both storage and digestion. When the amoeba needs nutrients, chemicals are released into the vacuole to break down the stored food. The food particles are then able to diffuse into the cytoplasm of the cell.
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In plant cells, the vacuoles are much larger than in animal cells. When a plant cell has stopped growing, there is usually one very large vacuole. Sometimes that vacuole can take up more than half of the cell's volume. The vacuole holds large amounts of water or food.
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Plant cells have plasmodesmata, a cell wall, a large central vacuole, chloroplasts, and plastids. Animal cells have lysosomes and centrosomes.
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This organelle has two major functions: it stores the cell's hereditary material, or DNA, and it coordinates the cell's activities, which include growth, intermediary metabolism, protein synthesis, and reproduction (cell division). Only the cells of advanced organisms, known as eukaryotes, have a nucleus.
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A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds the cell membrane.
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1. Introduction. The centrosome is a non-membranous, nucleus-associated organelle that functions as the main microtubule organizing center (MTOC) in many eukaryotes and thus, also as an organizer of the mitotic spindle.
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Vacuoles are membrane-bound sacs within the cytoplasm of a cell that function in several different ways. In mature plant cells, vacuoles tend to be very large and are extremely important in providing structural support, as well as serving functions such as storage, waste disposal, protection, and growth.
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A large vacuole found in plant cells that contains mostly water. It helps regulate the rigidity of the plant cell.
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['Chloroplasts. Site of photosynthesis. ... ', 'Central vacuole. A large vacuole found in older plant cells. ... ', 'Cell wall. Outer layer of plant cells. ... ', 'Plasmodesmata. Channels through cell walls that connect the cytoplasms of adjoining cells.', 'Tonoplast. Membrane enclosing the central vacuole.']
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Centeroiles, small vacuole and lysosome are the two structure found in animals cell but not in plant cell because the plant cell lacks centeroiles and lysosome . And the plant cell have large vacuoles.
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Central Vacuole Definition. The central vacuole is a large vacuole found inside of plant cells. A vacuole is a sphere filled with fluid and molecules inside a cell. ... Vacuoles are also found in animal, protist, fungal, and bacterial cells, but large central vacuoles are only found in plant cells.