( ( All cells ) ( ( need ( ( an ( energy supply ) ) ( to ( ( carry out ) ( their functions ) ) ) ) ) . ) )
(ROOT (S (NP (DT All) (NNS cells)) (VP (VBP need) (S (NP (DT an) (NN energy) (NN supply)) (VP (TO to) (VP (VB carry) (PRT (RP out)) (NP (PRP$ their) (NNS functions)))))) (. .)))
All cells need an energy supply to carry out their functions.
(ROOT (S (NP (DT All) (NNS cells)) (VP (VBP share) (NP (DT the) (NN characteristic)) (SBAR (IN that) (S (NP (PRP they)) (VP (VBP need) (NP (NN energy)))))) (. .)))
All cells share the characteristic that they need energy.