1 Phospholipids consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol.  The phosphate group is the negatively-charged polar head, which is hydrophilic.
There are 120 calories in 1 serving of KFC Mashed Potatoes & Gravy. Calorie breakdown: 30% fat, 63% carbs, 7% protein.
It's all relative.: For very low calorie diets, potatoes are relatively high calorie [1 cup of diced potato is 55 calories] compared to 1 serving of turnips or even better deal cooked radishes/daikon. But potatoes are a good deal compared to 1/2 cup of white rice [120 calories], 1 cup of noodles, bread or bagels.