( ( Use ( a ( graph ( to ( ( show ( ( the ( relative differences ) ) ( in ( binding ( oxygen molecules ) ) ) ) ) ( by ( ( hemoglobin and ) myoglobin ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Use) (NP (DT a) (NN graph) (S (VP (TO to) (VP (VB show) (NP (NP (DT the) (JJ relative) (NNS differences)) (PP (IN in) (NP (JJ binding) (NN oxygen) (NNS molecules)))) (PP (IN by) (NP (NN hemoglobin) (CC and) (NN myoglobin)))))))) (. .)))
Use a graph to show the relative differences in binding oxygen molecules by hemoglobin and myoglobin.
(ROOT (S (NP (NNP Hemoglobin)) (VP (VBZ is) (NP (NP (DT a) (NN carrier) (NN molecule)) (SBAR (WHNP (WDT that)) (S (VP (VBZ becomes) (ADJP (RBR less) (JJ effective) (PP (IN at) (NP (NP (VBG binding) (NN oxygen)) (PP (IN as) (NP (NN temperature) (NNS increases))))))))))) (. .)))