( ( Saturated ( fatty acids ) ) ( ( ( are so ) ( called ( because ( ( ( each ( carbon atom ) ) ( in ( the chain ) ) ) ( holds ( ( all ( the ( possible ( hydrogen atoms ) ) ) ) ( it can ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Saturated) (NN fatty) (NNS acids)) (VP (VBP are) (ADVP (RB so)) (VP (VBN called) (SBAR (IN because) (S (NP (NP (DT each) (NN carbon) (NN atom)) (PP (IN in) (NP (DT the) (NN chain)))) (VP (VBZ holds) (NP (NP (PDT all) (DT the) (JJ possible) (NN hydrogen) (NNS atoms)) (SBAR (S (NP (PRP it)) (VP (MD can)))))))))) (. .)))
Saturated fatty acids are so called because each carbon atom in the chain holds all the possible hydrogen atoms it can.
(ROOT (S (NP (NNP Carbon) (NNS atoms)) (VP (VBP are) (VP (VBG bonded) (PP (TO to) (NP (NP (ADJP (RB as) (JJ many)) (NN hydrogen) (NNS atoms)) (ADJP (RB as) (JJ possible)))) (PP (IN in) (NP (JJ saturated) (NN fatty) (NNS acids))))) (. .)))