Assertion: amino acid's group | /r/HasProperty | h(c=o)−
Facets:
Source sentences:
text: In its fleeting open-chain form, the glucose molecule has an open (as opposed to cyclic) and unbranched backbone of six carbon atoms, C-1 through C-6; where C-1 is part of an aldehyde group H(C=O)−, and each of the other five carbons bears one hydroxyl group −OH.