Which description best fits the definition of amine? Select the correct answer below: An amine is an organic molecule that contains an oxygen atom bound to one or more alkyl groups. An amine is a molecule consisting of carbon and hydrogen containing at least one carbon-carbon double bond. An amine is an organic compound containing a carbonyl group bound to a nitrogen atom and an alkyl substituent. An amine is an organic molecule that contains a nitrogen atom bound to one or more alkyl groups