Assertion: membrane's carbohydrate | /r/HasAspect | empirical formula
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Source sentences:
text: A carbohydrate (kɑ:bəˈhaɪdreɪt/) is an organic compound which has the empirical formula C m (H 2 O) n ; that is, consists only of carbon, hydrogen and oxygen, with a hydrogen:oxygen atom ratio of 2:1 (as in water).