1 In the cytoplasm, the mitotic spindle, consisting of microtubules and other proteins, forms between the two pairs of centrioles as they migrate to opposite poles of the cell. 2  The nuclear envelope disappears at the end of prophase. 3  This signals the beginning of the substage called prometaphase.
  Percussion Family. The Timpani is struck by mallets ... any instrument that requires a percussive touch is a member of this family ...surprisingly enough, and a little â¦ known fact, the Piano is also a member of the Percussion Family ... a key must be struck to produce a tone!!5 people found this useful.he Timpani is struck by mallets ... any instrument that requires a percussive touch is a member of this family ...
Split and merge into it. Answer by Kdizzle0357. Confidence votes 201. Instruments in the percussion family include: snare drum, bass drum, Tom toms, crash symbols, hi-hats, triangle, tambourine, timpani, xylophone, mallets, chimes, Vibraphone, piano, drum set, cowbell, Many other auxiliary instruments.