1 Phospholipids consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol. 2  The phosphate group is the negatively-charged polar head, which is hydrophilic.  The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic.
There are 150 calories in a 1 cookie serving of McDonald's Oatmeal Raisin Cookie. Calorie breakdown: 36% fat, 59% carbs, 5% protein.
Nutrition Facts. A commercially prepared oatmeal cookie has approximately 105 calories, 1.3 grams of protein, 3 grams of fat, 18 grams of carbs, 0.7 grams of fiber and 10 grams of sugar. A comparable chocolate chip cookie has about 15 more calories, a little less protein and fiber, as well as twice the amount of fat.