( ( the ( krebs cycle ) ) ( ( is ( both ( ( catabolic and ) anabolic ) ) ) . ) )
(ROOT (S (NP (DT the) (NNS krebs) (NN cycle)) (VP (VBZ is) (ADJP (DT both) (JJ catabolic) (CC and) (JJ anabolic))) (. .)))
the krebs cycle is both catabolic and anabolic.
(ROOT (S (NP (NNP Metabolism)) (VP (VBZ includes) (NP (ADJP (DT both) (JJ anabolic) (CC and) (JJ catabolic)) (NNS reactions))) (. .)))