Unformatted text preview: cytoplasmic streaming . Intermediate Filaments Intermediate filaments are composed of long, threadlike protein molecules wrapped around one another like the strands of a cable. As the name suggests, they are intermediate in size. Actin filaments are smallest and microtubules are largest. Intermediate filaments are important in maintaining the cell’s shape, providing mechanical support; preventing excessive stretching, and supporting other organelles. For example, some intermediate filaments support the plasma membrane and others support the nuclear membrane. Skin cells contain intermediate filaments that provide mechanical strength. They also function to attach cells together (desmosomes)....
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This note was uploaded on 11/10/2011 for the course BIOLOGY bi 101 taught by Professor - during the Fall '10 term at Montgomery.
- Fall '10