Which of the following best describes the activities that occur within the chloroplast of a cell?
1) Chlorophyll contained in the thylakoids captures sunlight to be used in photosynthesis.
2) Enzymes contained in the stroma convert chemical energy to organic compounds.
3) Membranes contained in the stroma produce ATP needed to carry out photosynthesis.
4) Ribosomes contained in the thylakoids use sunlight energy to build organic molecules.