Cooking changes the composition of carbohydrate to sucrose; this gives a natural sweetness to the food. This is the reason why starch-rich or carbo-loaded kinds of food are very enticing to the senses, because when they are cooked the food naturally releases these sweet aroma and taste that you cannot resist.
Answer: CENTRAL ZONE
Explanation: when the doctor performs a digital rectal exam it is back surface of the gland he is feeling. This is important because about %70-80 of prostate cancer originate in the peripheral.