...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 chops in single layer in a baking dish just large enough to hold them. Sprinkle with remaining 1/4 teaspoon salt and 1/8 teaspoon pepper. Bake the chops in the oven for 15 minutes or until the internal temperature registers 155 degrees on an instant-read thermometer when inserted in the pork.