1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) an enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammonia 2) long and light rowing boat; especially for racing 3) a lyric poem with complex stanza forms DOWN 1) gone by; or in the past 2) engage in 3) how long something has existed ** Scroll down for solution. ** Are you sure you want to peek? ada gig ode