Which structure is formed by a group of collagen fibers?
Question
Which structure is formed by a group of collagen fibers?
Solution
A group of collagen fibers forms a structure known as a collagen fibril. Here are the steps that explain how this structure is formed:
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Synthesis: The process begins with the synthesis of collagen molecules inside the cell. These molecules are produced by cells called fibroblasts.
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Assembly: These collagen molecules assemble together to form a structure called a procollagen triple helix.
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Secretion: The procollagen triple helix is then secreted out of the cell.
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Cleavage: Once outside the cell, the ends of the procollagen are cleaved off to form tropocollagen.
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Aggregation: These tropocollagen molecules then aggregate together to form a collagen fibril.
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Cross-linking: The collagen fibrils are then cross-linked together to form a collagen fiber.
So, a group of collagen fibers forms a collagen fibril, which is a part of the larger collagen fiber structure.
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