( Adenosine ( ( triphosphate ( -LRB- ( ATP ( is ( ( the ( immediate source ) ) ( of ( energy ( for ( ( ( body cells ) and ) ( their function ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Adenosine)) (VP (VBP triphosphate) (SBAR (S (-LRB- -LRB-) (NP (NNP ATP)) (VP (VBZ is) (NP (NP (DT the) (JJ immediate) (NN source)) (PP (IN of) (NP (NP (NN energy)) (PP (IN for) (NP (NP (NN body) (NNS cells)) (CC and) (NP (PRP$ their) (NN function))))))))))) (. .)))
Adenosine triphosphate (ATP is the immediate source of energy for body cells and their function.
(ROOT (S (NP (NP (NNP Atp)) (CC or) (NP (JJ adenozine) (NN triphosphate))) (VP (VBZ is) (VP (VBN used) (PP (IN for) (NP (JJS most) (NN energy) (NNS functions))) (PP (IN in) (NP (NNS organisms))))) (. .)))