what is the main function of the cell wall quizlet?
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Terms in this set (6) What is the function of the cell wall? It acts as a skeleton for plants, protects the internal contents of the cell, and regulates cell growth.
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The peptidoglycan cell wall is meshlike, allowing for easy passage of ions, amino acids, and nutrients and maintaining structural integrity.
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The bacterial cell wall performs several functions as well, in addition to providing overall strength to the cell. It also helps maintain the cell shape, which is important for how the cell will grow, reproduce, obtain nutrients, and move.
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['Cell Wall. It is a rigid layer which is composed of cellulose, glycoproteins, lignin, pectin, and hemicellulose. ... ', 'Cell membrane. It is the semi-permeable membrane that is present within the cell wall. ... ', 'Nucleus. ... ', 'Plastids. ... ', 'Central Vacuole. ... ', 'Golgi Apparatus. ... ', 'Ribosomes. ... ', 'Mitochondria.']
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Membrane carbohydrates perform two main functions: participate in cell recognition and adhesion, either cell-cell signaling or cell-pathogen interactions, and they have a structural role as a physical barrier.
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Cell walls are present in most prokaryotes (except mollicute bacteria), in algae, fungi and eukaryotes including plants but are absent in animals. A major function is to act as pressure vessels, preventing over-expansion of the cell when water enters.
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The cell wall of an onion cell functions as a structural part of the cell, offering support and protection for the fluids and organelles inside.
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['Cell Wall. ... ', 'Cell Membrane. ... ', 'Cytoplasm. ... ', 'Ribosomes.']
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The function of the cytoskeleton is to hold the organelles of a cell in place. It provides support to the cell. A cell wall protects and holds the cell. It makes sure that everything stays in places and it provides support to the cell/plant.
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Animal cells do not have a cell wall but have a cell membrane. Plant cells have a cell wall composed of cellulose as well as a cell membrane.
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The cell wall is the tough, usually flexible but sometimes fairly rigid layer that surrounds some types of cells. It is outside the cell membrane and gives these cells support and protection, as well as acting as a filter.
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Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds the cell membrane. This gives the plant cell its unique rectangular shape. Animal cells simply have a cell membrane, but no cell wall.
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The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
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Cell wall. A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.
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The primary wall is the cellulose-containing layer laid down by cells that are dividing and growing. To allow for cell wall expansion during growth, primary walls are thinner… Secondary cell walls are responsible for most of the plant's mechanical support as well as the mechanical properties prized in wood.
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The cell walls of prokaryotes differ chemically from the eukaryotic cell walls of plant cells, which are primarily made of cellulose. In bacteria, for example, the cell walls are composed of peptidoglycans (sugars and amino acids), according to Washington University.
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The cell wall is fully permeable to smaller molecules with the size of 30-60 kDa. The membrane is selectively permeable and controls the movement of the substance into and outside the cell. Functions include protection from the external environment.