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 ...
Order Asterales Part of the Asterales order because they contain an inferior ovary and have a central flowering head. Family Asteraceae Part of the Asteraceae family because they are dicotyledonous flowering plants and are composites.The flower head is actually composed of many individual florets called discs and/or rays.art of the Taraxacum genus because they have tap roots that go straight down into the soil and are perennial plants, meaning they can live year after year. Species Taraxacum officinale. Part of the officinale because they are yellow with their. leaves turned up.