...In contrast, the inner membrane of chloroplasts is relatively smooth. However, within this membrane is yet another series of folded membranes that form a set of flattened, disklike sacs called thylakoids. The space enclosed by the inner membrane is called the matrix in mitochondria and the stroma in chloroplasts.
Preheat oven to 350 degrees F (175 degrees C). In a small bowl, thoroughly blend soy sauce, vegetable oil, Worcestershire sauce, lemon juice, brown sugar, and ketchup. Place pork chops in a medium baking dish, and spread with 1/2 the sauce. Bake pork chops 30 minutes in the preheated oven.
Place the racked pork chops in the oven and set the timer for about 30 minutes for 1/2-inch thick chops, and 45 minutes for 1-inch thick chops. Check the chops for doneness with an instant-read thermometer, which should read 145 F for safety.