( ( Saturated ( fatty acids ) ) ( ( have ( ( ( ( ( a chain ) ( of ( carbon atoms ) ) ) ( joined ( by ( single bonds ) ) ) ) , ) ( allowing ( for ( rotation ( about ( the bonds ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Saturated) (NN fatty) (NNS acids)) (VP (VBP have) (NP (NP (DT a) (NN chain)) (PP (IN of) (NP (NN carbon) (NNS atoms))) (VP (VBN joined) (PP (IN by) (NP (JJ single) (NNS bonds)))) (, ,) (VP (VBG allowing) (PP (IN for) (NP (NP (NN rotation)) (PP (IN about) (NP (DT the) (NNS bonds)))))))) (. .)))
Saturated fatty acids have a chain of carbon atoms joined by single bonds, allowing for rotation about the bonds.
(ROOT (S (NP (JJ Single) (NNS bonds)) (VP (VBP are) (ADVP (RB there)) (PP (IN between) (NP (NP (NN carbon) (NNS atoms)) (PP (IN in) (NP (JJ saturated) (NN fatty) (NNS acids)))))) (. .)))