1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation 2) (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 3) a small drink DOWN 1) a doctor's degree in optometry 2) black tropical american cuckoo 3) a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant ** Scroll down for solution. ** Are you sure you want to peek? oas dna sip