[Answer] Which statements are true for chloroplasts?a) They contain the green pigment chlorophyll.b) They are the sites of reactions that convert solar energy into chemical energy.c) Their inner membrane has infoldings called cristae.d) Their matrix contains enzymes that function in cellular respiration.e) They are the sites of reactions that convert chemical energy to ATP.f) They have membranous sacs called thylakoids that are surrounded by a fluid called stroma.