For each of the following sentences, fill in the blanks with…
For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; use each word or phrase only once. Microtubules are formed of tubulin . Tubulin subunits are stacked together into protofilaments. Thirteen protofilaments form the structure of a microtubule. The structures of the two ends of the microtubule are . ring complexes are important for microtubule nucleation and are concentrated in the . A microtubule end that is quickly shrinking has a string of - tubulins. The motor protein generates the bending motion in cilia.