( ( A disaccharide ) ( ( is ( formed ( from ( two monosaccharides ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN disaccharide)) (VP (VBZ is) (VP (VBN formed) (PP (IN from) (NP (CD two) (NNS monosaccharides))))) (. .)))
A disaccharide is formed from two monosaccharides.
(ROOT (S (NP (PRP You)) (VP (VBP call) (SBAR (S (NP (DT the) (NN carbohydrate)) (VP (VBD formed) (SBAR (WHADVP (WRB when)) (S (NP (CD two) (JJ monosaccharides) (NN bond)) (ADVP (RB together)) (VP (VBP disaccharide)))))))) (. .)))