Your first big biology exam is coming up in a few days, and in order to prepare for late-night study sessions, you buy a box of yummies, a delicious type of snack cake. after checking out the nutrition facts label on the side of the box, you discover that a single yummie cake contains 4.5 grams of total fat, 27 grams of carbohydrate, 0 grams of fiber, and 1 gram of protein. after eating a yummie cake, which of the following metabolic processes is likely occurring at the fastest rate?