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 ...
bells belong to the the percussion family, along with the snare, bass drum, and timpani for example. 2 people found this useful. Edit. Share to: 1  Flat Screen TVs: LED and LCD There's a common misunderstanding when it comes to LED and LCD TVs. 2  LED TVs are LCD TVs with an alternative backlighting system.