Help ! Biology Question

The light reactions of photosynthesis take place in the :

A) plasma membrane of the cell
B) membranes of the mitochondria
C) membranes of the thylakoids
D) membranes surrounding the chloroplast
E) stromatolites of the chloroplast

I'm not sure what the answer but I'm thinking it could be C or E, please help....thanks.

Good guesses, and guess what? One is right! It is C: membranes of the thylakoids.

Great job :D I'm glad I could help

It takes place in the thylakoid membranes.
Dark reactions take place in the stroma.