( ( ATP ( -LRB- ( ( adenosine triphosphate ) -RRB- ) ) ) ( ( ( ( is ( stored ( in ( ( the mitochondria ) ( of ( muscle cells ) ) ) ) ) ) and ) ( ( produces energy ) ( when ( converted ( into ADP ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP ATP)) (PRN (-LRB- -LRB-) (NP (JJ adenosine) (NN triphosphate)) (-RRB- -RRB-))) (VP (VP (VBZ is) (VP (VBN stored) (PP (IN in) (NP (NP (DT the) (NN mitochondria)) (PP (IN of) (NP (NN muscle) (NNS cells))))))) (CC and) (VP (VBZ produces) (NP (NN energy)) (SBAR (WHADVP (WRB when)) (S (VP (VBN converted) (PP (IN into) (NP (NNP ADP)))))))) (. .)))
ATP (adenosine triphosphate) is stored in the mitochondria of muscle cells and produces energy when converted into ADP.
(ROOT (S (NP (DT The) (NN coenzyme) (NN atp) (CC or) (NN adenozine) (NN triphosphate)) (VP (VBZ is) (VP (VBN used) (PP (IN in) (NP (NP (DT the) (NN transfer)) (PP (IN of) (NP (NN energy))))) (PP (IN in) (NP (NNS muscles))))) (. .)))