...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.
1 Cook the pork chops for 15 to 20 minutes, until a meat thermometer inserted in the pork reads 140Â°F (60Â°C).  Remove the pork chops from the oven, cover with foil, and let rest for 5 minutes before serving.