( ( ADENOSINE ( TRIPHOSPHATE ATP ) ) ( ( is ( ( the ( major ( energy-carrying molecule ) ) ) ( of ( ( ( ( ( living cells ) , ) storing ) and ) ( ( releasing ( chemical energy ) ) ( for ( ( cellular activities ) ( as needed ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP ADENOSINE) (NNP TRIPHOSPHATE) (NNP ATP)) (VP (VBZ is) (NP (NP (DT the) (JJ major) (JJ energy-carrying) (NN molecule)) (PP (IN of) (S (VP (VP (VBG living) (NP (NNS cells))) (, ,) (VP (VBG storing)) (CC and) (VP (VBG releasing) (NP (NN chemical) (NN energy)) (PP (IN for) (NP (NP (JJ cellular) (NNS activities)) (ADJP (RB as) (VBN needed)))))))))) (. .)))
ADENOSINE TRIPHOSPHATE ATP is the major energy-carrying molecule of living cells, storing and releasing chemical energy for cellular activities as needed.
(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))))) (. .)))