1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a small lump or protuberance 2) a mouth or mouthlike opening 3) (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information DOWN 1) a sign of assent or salutation or command 2) a large vase that usually has a pedestal or feet 3) the cry made by sheep ** Scroll down for solution. ** Are you sure you want to peek? nub ora dna