The chloroplast<br/>internal membrane is organized into flattened membranous sacs called<br/>_________; they, in turn, are arranged in orderly stacks called<br/>_______ that contain energy-transducing machinery. ( ) A: thylakoids, grana B: grana, thylakoids C: thylakoids, stroma thylakoids D: thylakoids, grana thylakoids

The ( ) of the mitochondria function in increasing the inner membranous surface area. A: Centrioles B: Matrix C: Strobili D: Cristae E: Thylakoids