Chloroplasts differ from mitochondria in that:
A) chloroplasts can not generate ATP.
B) only mitochondria have a double membrane.
C) in chloroplasts, the proton gradient is generated between the thylakoid lumen and the stroma.
D) only the mitochondrion has DNA, RNA and ribosomes.
E) chloroplasts do not utilize a Q-cycle.

Question

Quizplus · Accepted Answer

The proton gradient in chloroplasts is generated between the thylakoid lumen and the stroma, whereas in mitochondria, it is generated between the mitochondrial matrix and the intermembrane space.

Answer: B
 Both chloroplasts and mitochondria have a double membrane structure.

Answer: D
 Both chloroplasts and mitochondria have their own DNA, RNA, and ribosomes.

Therefore, the correct answers are C and B.

Chloroplasts Differ from Mitochondria in That