( ( ( ( anaerobic ( The phase ) ) ( of ( cellular respiration ) ) ) ( that ( occurs ( in ( ( the absence ) ( of oxygen ) ) ) ) ) ) ; )
(ROOT (NP (NP (JJ anaerobic) (DT The) (NN phase)) (PP (IN of) (NP (JJ cellular) (NN respiration))) (SBAR (WHNP (WDT that)) (S (VP (VBZ occurs) (PP (IN in) (NP (NP (DT the) (NN absence)) (PP (IN of) (NP (NN oxygen)))))))) (: ;)))
anaerobic The phase of cellular respiration that occurs in the absence of oxygen;
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (JJ cellular) (NN respiration)) (SBAR (WHNP (WDT that)) (S (VP (VBZ does) (RB not) (VP (VB need) (NP (NN oxygen)) (S (VP (TO to) (VP (VB proceed) (NP (JJ anaerobic) (NN respiration))))))))))) (. .)))