Does a pound of lipid (such as fat or oil) really store more energy than a pound of carbohydrate? Examine the nutrition labels on a bag of sugar and a stick of butter or a bottle of cooking oil. How...

Does a pound of lipid (such as fat or oil) really store more energy than a pound of carbohydrate? Examine the nutrition labels on a bag of sugar and a stick of butter or a bottle of cooking oil. How many calories are there in a pound of sugar? What about in a pound of butter or cooking oil?