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 ...
Brass Family Worksheet 6 Which of the following instruments do not belong to the family of brass instruments. Cross them out. French horn Trumpet CornetSaxophone Metallophone TubaEnglish horn Trombone EuphoniumBugle Guitar Sousaphone Oboe Hunting horn Cymbals Make your own list of brass instruments.rass Family Worksheet 6 Which of the following instruments do not belong to the family of brass instruments. Cross them out. French horn Trumpet CornetSaxophone Metallophone TubaEnglish horn Trombone EuphoniumBugle Guitar Sousaphone Oboe Hunting horn Cymbals Make your own list of brass instruments.