...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 Remove the skillet from the heat.  Place the pork chops in a baking pan if you do not have a cast iron skillet and bake the pork chops for about 40 minutes, or until the meat is cooked through (internal temperature of 145 medium to 160F for well done). Allow the chops to rest for about five minutes and serve.