AP Biology Cytoskeleton Components Flashcards
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| 11427755544 | The structure of microtubules | Hollow tubes; wall consists of 13 columns of tubulin molecules |  | 0 |
| 11427763966 | The diameter of microtubules | 25 nm with 15 nm lumen | 1 | |
| 11427770744 | Protein subunits of microtubules | tubulin, a dimer consisting of alpha tubulin and beta tubulin | 2 | |
| 11427793371 | First main function of microtubules | maintenance of cell shape | 3 | |
| 11427811066 | 2nd main function of microtubules | Cell motility | 4 | |
| 11427813305 | 3rd main function of microtubules | Chromosome movements in cell division | 5 | |
| 11427820570 | 4th main function of microtubules | Organelle movements | 6 | |
| 11427826964 | Structure of microfilaments | two intertwined strands of actin, each a polymer of actin subunits |  | 7 |
| 11427833702 | Diameter of microfilaments | 7 nm | 8 | |
| 11427838926 | Protein subunits of microfilaments | Actin | 9 | |
| 11427843635 | 1st main function of microfilaments | Maintenance of cell shape | 10 | |
| 11427851450 | 2nd main function of microfilaments | Changes in cell shape | 11 | |
| 11427857107 | 3rd main function of microfilaments | Muscle contraction | 12 | |
| 11427861569 | 4th main function of microfilaments | Cytoplasmic streaming | 13 | |
| 11427866960 | 5th main function of microfilaments | Cell motility (pseudopodia) | 14 | |
| 11427873099 | 6th main function of microfilaments | Cell division (cleavage furrow formation) | 15 | |
| 11427948715 | The structure of intermediate filaments | fibrous proteins supercoiled into thicker cables | 16 | |
| 11427952106 | Diameter of intermediate filaments | 8-12 nm | 17 | |
| 11427962387 | Protein subunits of intermediate filaments | one of several different proteins (such as keratins), depending on cell type | 18 | |
| 11427987622 | 1st main function of intermediate filaments | Maintenance of cell shape (tension-bearing elements) | 19 | |
| 11428006889 | 2nd main function of intermediate filaments | Anchorage of nucleus and certain other organelles | 20 | |
| 11428010637 | 3rd main function of intermediate filaments | Formation of nuclear lamina | 21 |