Problem:

Question: Inphotosynthesis,

a.)The dark reactions take place in the outer mitochondrial membrane,whereas the light reactions occur in the inner mitochondrial membrane

b.)The light reactions take place in the inner mitochondrial membrane,whereas the dark reactions occur in the matrix

c.)The light reactions take place in the thylakoid membrane, whereasthe dark reactions occur inthe stroma

d.)A pH gradient is established between the thylakoid space (high pH)and the stroma (low pH). e.)Both C and D

Please provide best answer.