( ( ( Metabolism - ) ( ( all ( the ( chemical reactions ) ) ) ( that ( take ( place ( in ( a ( ( cell or ) organism ) ) ) ) ) ) ) ) ; )
(ROOT (NP (NP (NP (NNP Metabolism)) (: -) (NP (NP (PDT all) (DT the) (NN chemical) (NNS reactions)) (SBAR (WHNP (WDT that)) (S (VP (VBP take) (NP (NP (NN place)) (PP (IN in) (NP (DT a) (NN cell) (CC or) (NN organism))))))))) (: ;)))
Metabolism- all the chemical reactions that take place in a cell or organism;
(ROOT (S (NP (NP (DT The) (NN sum)) (PP (IN of) (NP (NP (DT all) (JJ chemical) (NNS reactions)) (SBAR (WHNP (WDT that)) (S (VP (VBP take) (NP (NN place)) (PP (IN within) (NP (DT an) (NN organism))))))))) (VP (VBZ is) (VP (VBN known) (PP (IN as) (NP (NN metabolism))))) (. .)))
The sum of all chemical reactions that take place within an organism is known as metabolism.