( ( In plants ) ( , ( ( light-dependent reactions ) ( ( ( occur ( in ( ( the ( thylakoid membranes ) ) ( of ( the chloroplasts ) ) ) ) ) ( where ( they ( drive ( ( the synthesis ) ( of ( ( ATP and ) NADPH ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NNS plants))) (, ,) (NP (JJ light-dependent) (NNS reactions)) (VP (VBP occur) (PP (IN in) (NP (NP (DT the) (JJ thylakoid) (NNS membranes)) (PP (IN of) (NP (DT the) (NNS chloroplasts))))) (SBAR (WHADVP (WRB where)) (S (NP (PRP they)) (VP (VBP drive) (NP (NP (DT the) (NN synthesis)) (PP (IN of) (NP (NNP ATP) (CC and) (NNP NADPH)))))))) (. .)))
In plants, light-dependent reactions occur in the thylakoid membranes of the chloroplasts where they drive the synthesis of ATP and NADPH.
(ROOT (S (NP (DT The) (JJ light) (NNS reactions)) (VP (VBP take) (NP (NP (NN place)) (PP (IN in) (NP (DT the) (NN thylakoid))))) (. .)))