Choose the correct answer from the list below. Not all of the answers will be used. -____________: Membranous structures in a chloroplast that are stacked, flattened disks.
A)960 nm B)magnesium C)ATP synthase D)chloroplasts E)thylakoids F)copper G)β-carotene H)680 nm I)FAD J)chlorophyll a K)ferredoxin b L)resonance energy transfer