1  2  3 

1  _  _  _

2  _  _  _

3  _  _  _


ACROSS
1)  a male human offspring
2)  an enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammonia
3)  liveliness and energy


DOWN
1)  a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant
2)  a lyric poem with complex stanza forms
3)  a period of time spent sleeping

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