1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a nucleotide derived from adenosine that occurs in muscle tissue; the major source of energy for cellular reactions 2) dish baked in pastry-lined pan often with a pastry top 3) the cardinal number that is the sum of nine and one; the base of the decimal system DOWN 1) (usually followed by `to') naturally disposed toward 2) neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and ___d in knot at the front 3) a writing implement with a point from which ink flows ** Scroll down for solution. ** Are you sure you want to peek? atp pie ten