What prevents collagen from forming fibrils inside of cells? O Triple helix collagen molecules are initially made as procollagen, with extensions that prevent fibril assembly inside the cell. O Nothing prevents this. Collagen fibers form inside cells because they are part of the cytoskeleton. O Individual collagen monomers are not able to assemble into triple helix molecules until they are activated by matrix proteinases outside cells. O Collagen mRNA is not translated into protein until the mRNA has been exported to the extracellular matrix.
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