Consider the Following Diagram of a Chloroplast

Consider the following diagram of a chloroplast. Which of the following is not a similarity between chloroplasts and mitochondria?

A) Both chloroplasts and mitochondria contain the green pigment chlorophyll.
B) Both chloroplasts and mitochondria contain iron-sulfur complexes.
C) Both chloroplasts and mitochondria contain proton-translocating ATPases.
D) Both chloroplasts and mitochondria utilize a proton gradient for ATP synthesis.
E) None, they are similar to each other in all of aspects.