A fatty acid includes
A) a carboxylic acid group COOH,chain of carbons of various lengths, a methyl group CH3.
B) a carboxylic acid group COOH, chain of oxygens of various lengths, a methyl group CH3.
C) a carboxylic acid group COOH,chain of hydrogens of various lengths, a methyl group CH3.
D) a carboxylic acid group COOH, carbon, a methyl group CH3.
Answer: A
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