Crossword Puzzle Closing sequence

Clue: Closing sequence

Recurring sequence (CYCLE with 5 letters)
Like two-thirds of the numbers in the Fibonacci sequence (ODD with 3 letters)
Closing up a surgical wound with a whoopee cushion? (SILLYSUTURING with 13 letters)
Keyboard sequence (e.g. CDEF with 4 letters)
School closing? (MARM with 4 letters)
Words for a movie sequence (ONETAKE with 7 letters)
Genetic sequences (CODONS with 6 letters)
Preacher's closing (AMEN with 4 letters)
End of a working sequence (FRIDAY with 6 letters)
Self-sustaining sequence (CHAINREACTION with 13 letters)